December 2017 PMID 29276481

Is 8:30 a.m. Still Too Early to Start School? A 10:00 a.m. School Start Time Improves Health and Performance of Students Aged 13-16.

Paul Kelley, Steven W Lockley, Jonathan Kelley, Mariah D R Evans

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Mentions

97
Peak: 27 in Oct 2025
across 6 sources since Sep 2018

Extended reach

342,548
potential audience

Total likes

155

Video views

101

Mentions per month

Sep 2018 – Nov 2025

Where it's discussed

  • X / Twitter76 posts
  • Facebook7 posts
  • Instagram5 posts
  • Reddit5 posts
  • YouTube2 videos
  • News2 articles

AI synopsis

What people are saying

Overall, the discussions reflect strong support for later start times, emphasizing scientific evidence and real-world benefits such as reduced health issues and improved learning outcomes. The tone is assertive and optimistic, with phrases like 'demonstrates this is right!' and references to policy changes in California, illustrating the perceived importance and potential impact of the research findings.

AgreementStrong agreement

Most discussions strongly support the idea of later school start times, citing substantial evidence and scientific studies, with phrases like 'demonstrates this is right!' and 'the science and pioneers' highlighting consensus.

InterestHigh interest

Many posts delve into detailed scientific research, mentioning specific studies, improvements in health and academic success, and referencing authoritative sources like 'Body Clocks' and CDC reports, indicating high engagement and curiosity.

EngagementHigh engagement

Discussions include references to international examples, legislative efforts, and detailed summaries of research findings, showing active participation and a deeper exploration of the topic.

ImpactHigh impact

The numerous references to significant benefits such as a 50% reduction in student illness and increased academic performance demonstrate that these discussions highlight meaningful, real-world impacts on student health and education.

Abstract in brief

  • A study conducted over four years in an English high school found that delaying school start times from 8:50 am to 10:00 am significantly reduced student illness by over 50% and improved academic progress, with these benefits reversing when start times returned to 8:50 am.
  • The research showed that the later start time was associated with a 12% increase in students performing well in national exams, equating to about 20% of the national benchmark, indicating better academic outcomes.
  • The findings suggest that starting school at or after 10:00 am can effectively address adolescents' sleep needs, reduce health issues, and promote better academic performance, with minimal downsides.]

Top posts

Most liked on X and Bluesky
Hazar Tandoğan
@TandoganHazar · X

Bilimsel çalışmaları yapılmış bir konudan bahsettim. Okul saatlerinin başarı oranındaki etkileri farklı yaş gruplarında araştırılmıştır. Kaynakları buraya bırakıyorum. https://t.co/w8PYCPhAP8 https://t.co/GhIITg9GiX https://t.co/6E3NL70Pb3 Birçok çalışma, daha iyi öğrenci

Sep 2, 2025 · 74 likes · 17 shares · 119,005 followers View post →
Alzhacker
@Alzhacker · X

研究論文『8時半の始業はまだ早すぎるのか?10時始業が13-16歳の生徒の健康とパフォーマンスを改善』2017年 https://t.co/6DV4MjwqGQ ➢ 1時間遅らせただけで病欠が50%以上減少 ➢ 学業成績も12%向上、国家基準の20%に相当 ➢ 思春期の脳が目覚めるのは大人より2時間遅い https://t.co/bcTbicsBUX

Oct 24, 2025 · 47 likes · 26 shares · 33,373 followers View post →
Dr Paul Kelley
@DrPaulKelley · X

Once again, California looks to become the first state to change teen start times, and improve health and learning. Read https://t.co/prONZVEQVH research that shows better health and learning can be huge with later starts Read Body Clocks (by @DrPaulKelley and @SianGriffiths6). https://t.co/hvnuJsVC4W

Apr 4, 2019 · 5 likes · 1 share · 710 followers View post →
Dr Paul Kelley
@DrPaulKelley · X

The research evidence is very clear: these later school starts will increase students' hours of sleep and improve their health. In our 4-year study illness dropped by 50% - an amazing change https://t.co/prONZVEQVH https://t.co/SkkUQfgjNK

Jul 10, 2019 · 3 likes · 2 shares · 710 followers View post →
Dr Paul Kelley
@DrPaulKelley · X

This is a vital step to improve students' health. The main impacts will be a fall in student illnesses and a rise in student achievement. Our latest research is only one of many, many demonstrations of the benefits https://t.co/prONZVEQVH and we site many others. https://t.co/rtEP7I3Euz

Jul 10, 2019 · 2 likes · 710 followers View post →
Dr Paul Kelley
@DrPaulKelley · X

This is happening now with teenagers denied they sleep by schools. However, times are a-changing. California. Texas. Other US schools. UK, and the 10am pioneers. More evidence? https://t.co/prONZVEQVH Full argument? Body Clocks (Kelley and Griffiths) on Amazon (Kindle too) https://t.co/lmHoeQbR8g

Apr 11, 2019 · 2 likes · 1 share · 710 followers View post →

All mentions

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RT @Alzhacker: 研究論文『8時半の始業はまだ早すぎるのか?10時始業が13-16歳の生徒の健康とパフォーマンスを改善』2017年 https://t.co/6DV4MjwqGQ ➢ 1時間遅らせただけで病欠が50%以上減少 ➢ 学業成績も12%向上、国家基準の20…

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@Yulliy05Mu · X

RT @Alzhacker: 研究論文『8時半の始業はまだ早すぎるのか?10時始業が13-16歳の生徒の健康とパフォーマンスを改善』2017年 https://t.co/6DV4MjwqGQ ➢ 1時間遅らせただけで病欠が50%以上減少 ➢ 学業成績も12%向上、国家基準の20…

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Murasaki
@Everlasting_yu · X

RT @Alzhacker: 研究論文『8時半の始業はまだ早すぎるのか?10時始業が13-16歳の生徒の健康とパフォーマンスを改善』2017年 https://t.co/6DV4MjwqGQ ➢ 1時間遅らせただけで病欠が50%以上減少 ➢ 学業成績も12%向上、国家基準の20…

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@P4BlPArWhxXnsyY · X

RT @Alzhacker: 研究論文『8時半の始業はまだ早すぎるのか?10時始業が13-16歳の生徒の健康とパフォーマンスを改善』2017年 https://t.co/6DV4MjwqGQ ➢ 1時間遅らせただけで病欠が50%以上減少 ➢ 学業成績も12%向上、国家基準の20…

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RT @Alzhacker: 研究論文『8時半の始業はまだ早すぎるのか?10時始業が13-16歳の生徒の健康とパフォーマンスを改善』2017年 https://t.co/6DV4MjwqGQ ➢ 1時間遅らせただけで病欠が50%以上減少 ➢ 学業成績も12%向上、国家基準の20…

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RT @Alzhacker: 研究論文『8時半の始業はまだ早すぎるのか?10時始業が13-16歳の生徒の健康とパフォーマンスを改善』2017年 https://t.co/6DV4MjwqGQ ➢ 1時間遅らせただけで病欠が50%以上減少 ➢ 学業成績も12%向上、国家基準の20…

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@seapollo · X

RT @Alzhacker: 研究論文『8時半の始業はまだ早すぎるのか?10時始業が13-16歳の生徒の健康とパフォーマンスを改善』2017年 https://t.co/6DV4MjwqGQ ➢ 1時間遅らせただけで病欠が50%以上減少 ➢ 学業成績も12%向上、国家基準の20…

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@Monroe_2525 · X

RT @Alzhacker: 研究論文『8時半の始業はまだ早すぎるのか?10時始業が13-16歳の生徒の健康とパフォーマンスを改善』2017年 https://t.co/6DV4MjwqGQ ➢ 1時間遅らせただけで病欠が50%以上減少 ➢ 学業成績も12%向上、国家基準の20…

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@makihime55 · X

RT @Alzhacker: 研究論文『8時半の始業はまだ早すぎるのか?10時始業が13-16歳の生徒の健康とパフォーマンスを改善』2017年 https://t.co/6DV4MjwqGQ ➢ 1時間遅らせただけで病欠が50%以上減少 ➢ 学業成績も12%向上、国家基準の20…

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@narukemist · X

RT @Alzhacker: 研究論文『8時半の始業はまだ早すぎるのか?10時始業が13-16歳の生徒の健康とパフォーマンスを改善』2017年 https://t.co/6DV4MjwqGQ ➢ 1時間遅らせただけで病欠が50%以上減少 ➢ 学業成績も12%向上、国家基準の20…

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@ritsucoy · X

RT @Alzhacker: 研究論文『8時半の始業はまだ早すぎるのか?10時始業が13-16歳の生徒の健康とパフォーマンスを改善』2017年 https://t.co/6DV4MjwqGQ ➢ 1時間遅らせただけで病欠が50%以上減少 ➢ 学業成績も12%向上、国家基準の20…

Oct 24, 2025 · 26 shares · 154 followers View post →
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@taketorinotou · X

RT @Alzhacker: 研究論文『8時半の始業はまだ早すぎるのか?10時始業が13-16歳の生徒の健康とパフォーマンスを改善』2017年 https://t.co/6DV4MjwqGQ ➢ 1時間遅らせただけで病欠が50%以上減少 ➢ 学業成績も12%向上、国家基準の20…

Oct 24, 2025 · 26 shares · 2,080 followers View post →
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@clio_the · X

RT @Alzhacker: 研究論文『8時半の始業はまだ早すぎるのか?10時始業が13-16歳の生徒の健康とパフォーマンスを改善』2017年 https://t.co/6DV4MjwqGQ ➢ 1時間遅らせただけで病欠が50%以上減少 ➢ 学業成績も12%向上、国家基準の20…

Oct 24, 2025 · 26 shares · 788 followers View post →
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@hobatien · X

RT @Alzhacker: 研究論文『8時半の始業はまだ早すぎるのか?10時始業が13-16歳の生徒の健康とパフォーマンスを改善』2017年 https://t.co/6DV4MjwqGQ ➢ 1時間遅らせただけで病欠が50%以上減少 ➢ 学業成績も12%向上、国家基準の20…

Oct 24, 2025 · 26 shares · 837 followers View post →
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@Bjnr5W · X

RT @Alzhacker: 研究論文『8時半の始業はまだ早すぎるのか?10時始業が13-16歳の生徒の健康とパフォーマンスを改善』2017年 https://t.co/6DV4MjwqGQ ➢ 1時間遅らせただけで病欠が50%以上減少 ➢ 学業成績も12%向上、国家基準の20…

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RT @Alzhacker: 研究論文『8時半の始業はまだ早すぎるのか?10時始業が13-16歳の生徒の健康とパフォーマンスを改善』2017年 https://t.co/6DV4MjwqGQ ➢ 1時間遅らせただけで病欠が50%以上減少 ➢ 学業成績も12%向上、国家基準の20…

Oct 24, 2025 · 26 shares · 720 followers View post →
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@coco_v10 · X

RT @Alzhacker: 研究論文『8時半の始業はまだ早すぎるのか?10時始業が13-16歳の生徒の健康とパフォーマンスを改善』2017年 https://t.co/6DV4MjwqGQ ➢ 1時間遅らせただけで病欠が50%以上減少 ➢ 学業成績も12%向上、国家基準の20…

Oct 24, 2025 · 26 shares · 736 followers View post →
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RT @Alzhacker: 研究論文『8時半の始業はまだ早すぎるのか?10時始業が13-16歳の生徒の健康とパフォーマンスを改善』2017年 https://t.co/6DV4MjwqGQ ➢ 1時間遅らせただけで病欠が50%以上減少 ➢ 学業成績も12%向上、国家基準の20…

Oct 24, 2025 · 26 shares · 5,813 followers View post →
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@hitofusa · X

RT @Alzhacker: 研究論文『8時半の始業はまだ早すぎるのか?10時始業が13-16歳の生徒の健康とパフォーマンスを改善』2017年 https://t.co/6DV4MjwqGQ ➢ 1時間遅らせただけで病欠が50%以上減少 ➢ 学業成績も12%向上、国家基準の20…

Oct 24, 2025 · 26 shares · 252 followers View post →
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@kanayoko226 · X

RT @Alzhacker: 研究論文『8時半の始業はまだ早すぎるのか?10時始業が13-16歳の生徒の健康とパフォーマンスを改善』2017年 https://t.co/6DV4MjwqGQ ➢ 1時間遅らせただけで病欠が50%以上減少 ➢ 学業成績も12%向上、国家基準の20…

Oct 24, 2025 · 26 shares · 186 followers View post →
リンゴす
@lapisbene · X

RT @Alzhacker: 研究論文『8時半の始業はまだ早すぎるのか?10時始業が13-16歳の生徒の健康とパフォーマンスを改善』2017年 https://t.co/6DV4MjwqGQ ➢ 1時間遅らせただけで病欠が50%以上減少 ➢ 学業成績も12%向上、国家基準の20…

Oct 24, 2025 · 26 shares · 563 followers View post →
樋口尚平
@shohiguchi · X

RT @Alzhacker: 研究論文『8時半の始業はまだ早すぎるのか?10時始業が13-16歳の生徒の健康とパフォーマンスを改善』2017年 https://t.co/6DV4MjwqGQ ➢ 1時間遅らせただけで病欠が50%以上減少 ➢ 学業成績も12%向上、国家基準の20…

Oct 24, 2025 · 26 shares · 641 followers View post →
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@pochanangel · X

RT @Alzhacker: 研究論文『8時半の始業はまだ早すぎるのか?10時始業が13-16歳の生徒の健康とパフォーマンスを改善』2017年 https://t.co/6DV4MjwqGQ ➢ 1時間遅らせただけで病欠が50%以上減少 ➢ 学業成績も12%向上、国家基準の20…

Oct 24, 2025 · 26 shares · 885 followers View post →
如月
@NCu24808 · X

RT @Alzhacker: 研究論文『8時半の始業はまだ早すぎるのか?10時始業が13-16歳の生徒の健康とパフォーマンスを改善』2017年 https://t.co/6DV4MjwqGQ ➢ 1時間遅らせただけで病欠が50%以上減少 ➢ 学業成績も12%向上、国家基準の20…

Oct 24, 2025 · 26 shares · 524 followers View post →
Alzhacker
@Alzhacker · X

研究論文『8時半の始業はまだ早すぎるのか?10時始業が13-16歳の生徒の健康とパフォーマンスを改善』2017年 https://t.co/6DV4MjwqGQ ➢ 1時間遅らせただけで病欠が50%以上減少 ➢ 学業成績も12%向上、国家基準の20%に相当 ➢ 思春期の脳が目覚めるのは大人より2時間遅い https://t.co/bcTbicsBUX

Oct 24, 2025 · 47 likes · 26 shares · 33,373 followers View post →
Piotr "Woz" Wozniak
@SuperMemoWoz · X

Children are offered good health only as part of an experiment https://t.co/DJe77lwV4p https://t.co/abMmw5AiOO

Oct 18, 2025 · 1 like · 581 followers View post →
MrsKeducates
@MrsKeducates · X

If you want to reduce absence because of illness in school by 50% then move the start time to 10am… @bphillipsonMP https://t.co/Rvt4KeuT50

Sep 18, 2025 · 340 followers View post →
ferhat baba
@ferhatbaba_baba · X

RT @TandoganHazar: Bilimsel çalışmaları yapılmış bir konudan bahsettim. Okul saatlerinin başarı oranındaki etkileri farklı yaş gruplarında…

Sep 5, 2025 · 17 shares · 50 followers View post →
Flame
@Flame_laluna · X

RT @TandoganHazar: Bilimsel çalışmaları yapılmış bir konudan bahsettim. Okul saatlerinin başarı oranındaki etkileri farklı yaş gruplarında…

Sep 3, 2025 · 17 shares · 842 followers View post →
Hanzo
@Hanzo1339637 · X

RT @TandoganHazar: Bilimsel çalışmaları yapılmış bir konudan bahsettim. Okul saatlerinin başarı oranındaki etkileri farklı yaş gruplarında…

Sep 2, 2025 · 17 shares · 78 followers View post →
İlknur
@ilknur_esiz · X

RT @TandoganHazar: Bilimsel çalışmaları yapılmış bir konudan bahsettim. Okul saatlerinin başarı oranındaki etkileri farklı yaş gruplarında…

Sep 2, 2025 · 17 shares · 1,737 followers View post →
Atatürkçü Ali
@Ali__Ataturkcu · X

RT @TandoganHazar: Bilimsel çalışmaları yapılmış bir konudan bahsettim. Okul saatlerinin başarı oranındaki etkileri farklı yaş gruplarında…

Sep 2, 2025 · 17 shares · 1,129 followers View post →
Salih Uzer
@salihuzer96 · X

RT @TandoganHazar: Bilimsel çalışmaları yapılmış bir konudan bahsettim. Okul saatlerinin başarı oranındaki etkileri farklı yaş gruplarında…

Sep 2, 2025 · 17 shares · 167 followers View post →
SametKsem786077
@SametKsem786077 · X

RT @TandoganHazar: Bilimsel çalışmaları yapılmış bir konudan bahsettim. Okul saatlerinin başarı oranındaki etkileri farklı yaş gruplarında…

Sep 2, 2025 · 17 shares · 622 followers View post →
SezZist
@SezZist · X

RT @TandoganHazar: Bilimsel çalışmaları yapılmış bir konudan bahsettim. Okul saatlerinin başarı oranındaki etkileri farklı yaş gruplarında…

Sep 2, 2025 · 17 shares · 1,080 followers View post →
Cengiz
@Cengiz766442582 · X

RT @TandoganHazar: Bilimsel çalışmaları yapılmış bir konudan bahsettim. Okul saatlerinin başarı oranındaki etkileri farklı yaş gruplarında…

Sep 2, 2025 · 17 shares · 41 followers View post →
9216Sahin
@9216Sahin · X

RT @TandoganHazar: Bilimsel çalışmaları yapılmış bir konudan bahsettim. Okul saatlerinin başarı oranındaki etkileri farklı yaş gruplarında…

Sep 2, 2025 · 17 shares · 5,245 followers View post →
Yeko-Wan Kenobi
@Yeko2135 · X

RT @TandoganHazar: Bilimsel çalışmaları yapılmış bir konudan bahsettim. Okul saatlerinin başarı oranındaki etkileri farklı yaş gruplarında…

Sep 2, 2025 · 17 shares · 1,400 followers View post →
Hazar Tandoğan
@TandoganHazar · X

RT @TandoganHazar: Bilimsel çalışmaları yapılmış bir konudan bahsettim. Okul saatlerinin başarı oranındaki etkileri farklı yaş gruplarında…

Sep 2, 2025 · 17 shares · 119,005 followers View post →
ŞamŞeytanı
@samseytaniiii · X

RT @TandoganHazar: Bilimsel çalışmaları yapılmış bir konudan bahsettim. Okul saatlerinin başarı oranındaki etkileri farklı yaş gruplarında…

Sep 2, 2025 · 17 shares · 127 followers View post →
heybitchhhh
@Heybitch033 · X

RT @TandoganHazar: Bilimsel çalışmaları yapılmış bir konudan bahsettim. Okul saatlerinin başarı oranındaki etkileri farklı yaş gruplarında…

Sep 2, 2025 · 17 shares · 24 followers View post →
Hazar Tandoğan
@TandoganHazar · X

Bilimsel çalışmaları yapılmış bir konudan bahsettim. Okul saatlerinin başarı oranındaki etkileri farklı yaş gruplarında araştırılmıştır. Kaynakları buraya bırakıyorum. https://t.co/w8PYCPhAP8 https://t.co/GhIITg9GiX https://t.co/6E3NL70Pb3 Birçok çalışma, daha iyi öğrenci

Sep 2, 2025 · 74 likes · 17 shares · 119,005 followers View post →
fluglehrer_neu
@fluglehrer_neu · X

aus 2017 - wann sollte schule in der früh beginnen? studie https://t.co/R5ai7JAgGl

Aug 8, 2025 · 1,203 followers View post →
Dr Paul Kelley
@DrPaulKelley · X

@DonaldClark @DavidPerring @DebbieOMoore Best times for health and study https://t.co/prONZVEQVH University studies: Are there best times? https://t.co/2vShJWLcwS Our predictions of the best for specific later times https://t.co/BIeqTMjtA6 When and how we teach should change.

Mar 2, 2020 · 1 like · 710 followers View post →
GB
@GBfe06 · X

RT @twremcat: https://t.co/Ck5TrJB2xj 文献番号 [21] は、[20] とおなじ文献が2回参照されてるだけか。ふつう [20] をもう一度書くんだけど…… ちなみにこれ: https://t.co/npTu6KVyvj 被引用数はゼロ (…

Feb 7, 2020 · 5 shares · 328 followers View post →
Dr Paul Kelley
@DrPaulKelley · X

@StacySimera The best data from us is https://t.co/prONZVEQVH where 13-16 year olds are healthier with 10am; 4yr study recommendation for 11am-12 am best evidence is https://t.co/2vShJWLcwS for 18-19 field trial, university The original estimates were in https://t.co/BIeqTMjtA6

Oct 15, 2019 · 2 likes · 710 followers View post →
John Catt USA
@JohncattUSA · X

RT @DrPaulKelley: Those who knew it was right to change, made plans. The scientists who knew we must change, made a stronger case https://t…

Oct 14, 2019 · 1 share · 2,090 followers View post →
Dr Paul Kelley
@DrPaulKelley · X

Those who knew it was right to change, made plans. The scientists who knew we must change, made a stronger case https://t.co/prONZVEQVH and Body Clocks: The biology of time for sleep, education and work (see Amazon!) https://t.co/RsUG9peYB0

Oct 14, 2019 · 2 likes · 1 share · 710 followers View post →
John Catt USA
@JohncattUSA · X

RT @DrPaulKelley: This is one of #SB328 strengths- there will be schools who have very good reasons for later hours. Of course, we've reco…

Sep 22, 2019 · 1 share · 2,090 followers View post →
Dr Paul Kelley
@DrPaulKelley · X

This is one of #SB328 strengths- there will be schools who have very good reasons for later hours. Of course, we've recommended 10am and this was the time the UK Parliament discussed. The outcomes? https://t.co/prONZVEQVH https://t.co/DPJOZ3Q0R5

Sep 22, 2019 · 2 likes · 1 share · 710 followers View post →
Dr Paul Kelley
@DrPaulKelley · X

And here's an example of what can happen if you look for later starting times that have been proved to benefit health https://t.co/prONZVEQVH https://t.co/wPzD9Czngk

Sep 12, 2019 · 1 like · 710 followers View post →
Mariah Baughn MD
@mariahbaughn · X

RT @DrPaulKelley: The research evidence is very clear: these later school starts will increase students' hours of sleep and improve their h…

Jul 10, 2019 · 2 shares · 804 followers View post →
MoreCurricular
@MoreCurricular · X

RT @DrPaulKelley: The research evidence is very clear: these later school starts will increase students' hours of sleep and improve their h…

Jul 10, 2019 · 2 shares · 1,475 followers View post →
Dr Paul Kelley
@DrPaulKelley · X

This is a vital step to improve students' health. The main impacts will be a fall in student illnesses and a rise in student achievement. Our latest research is only one of many, many demonstrations of the benefits https://t.co/prONZVEQVH and we site many others. https://t.co/rtEP7I3Euz

Jul 10, 2019 · 2 likes · 710 followers View post →
Dr Paul Kelley
@DrPaulKelley · X

The research evidence is very clear: these later school starts will increase students' hours of sleep and improve their health. In our 4-year study illness dropped by 50% - an amazing change https://t.co/prONZVEQVH https://t.co/SkkUQfgjNK

Jul 10, 2019 · 3 likes · 2 shares · 710 followers View post →
Dr Paul Kelley
@DrPaulKelley · X

I'll be there to talk about what is the best time for students to learn. And the evidence from research demonstrating what times work best https://t.co/prONZVEQVH https://t.co/KRd5TPXzgD

May 18, 2019 · 710 followers View post →
Dr Paul Kelley
@DrPaulKelley · X

He established the importance of @EvidenceInEdu and evidence in particular. Our contribution? https://t.co/prONZVEQVH https://t.co/Bo5AkX7FGf

May 14, 2019 · 1 like · 710 followers View post →
HardassHelen
@Hardasshelen · X

RT @DrPaulKelley: It is ironic that education changes little over time when it sticks to what is known, and thrives when rigorous science i…

May 10, 2019 · 1 share · 3,112 followers View post →
Dr Paul Kelley
@DrPaulKelley · X

It is ironic that education changes little over time when it sticks to what is known, and thrives when rigorous science is applied ( such as https://t.co/prONZVEQVH for example. U.S. education needs later school starting times for teenagers for 30 years- and hasn't changed yet. https://t.co/6vFaRNErAs

May 10, 2019 · 1 like · 1 share · 710 followers View post →
Sleep_101
@Sleep101USA · X

RT @DrPaulKelley: Later school starts for teenagers can provide a better temporal environment. Current practices shorten sleep of many teen…

May 10, 2019 · 1 share · 73 followers View post →
Dr Paul Kelley
@DrPaulKelley · X

Later school starts for teenagers can provide a better temporal environment. Current practices shorten sleep of many teenagers. See CDC and US studies, https://t.co/prONZVEQVH and other studies. https://t.co/0P94ybsRaS

May 9, 2019 · 1 like · 1 share · 710 followers View post →
HardassHelen
@Hardasshelen · X

RT @DrPaulKelley: This is happening now with teenagers denied they sleep by schools. However, times are a-changing. California. Texas. Ot…

Apr 11, 2019 · 1 share · 3,112 followers View post →
Dr Paul Kelley
@DrPaulKelley · X

This is happening now with teenagers denied they sleep by schools. However, times are a-changing. California. Texas. Other US schools. UK, and the 10am pioneers. More evidence? https://t.co/prONZVEQVH Full argument? Body Clocks (Kelley and Griffiths) on Amazon (Kindle too) https://t.co/lmHoeQbR8g

Apr 11, 2019 · 2 likes · 1 share · 710 followers View post →
Conny Bergé
@BergeConny · X

RT @DrPaulKelley: Teenagers can have improved health, learning and fewer accidents- and all for free!! Just move school times to later- muc…

Apr 7, 2019 · 1 share · 835 followers View post →
Dr Paul Kelley
@DrPaulKelley · X

Fantastic news. The evidence for later starts is strong in England too: Read https://t.co/prONZVEQVH … research that shows health (50% less absence) and learning soars with 10am starts Read Body Clocks (by @DrPaulKelley and @SianGriffiths6). The science and pioneers https://t.co/bFccO0Ymyi

Apr 5, 2019 · 710 followers View post →
Dr Paul Kelley
@DrPaulKelley · X

Delighted California is leading the US in improving health, safety and education of students. Outside the US? Read https://t.co/prONZVEQVH … UK research shows better health and learning soars with 10am later starts Read Body Clocks (by @DrPaulKelley and @SianGriffiths6). https://t.co/MVw7WROzNF

Apr 5, 2019 · 1 like · 710 followers View post →
Dr Paul Kelley
@DrPaulKelley · X

Teenagers can have improved health, learning and fewer accidents- and all for free!! Just move school times to later- much later works even better! Read https://t.co/prONZVEQVH better health and learning Read Body Clocks by @DrPaulKelley and @SianGriffiths6 . https://t.co/COobxfy8c8

Apr 5, 2019 · 2 likes · 1 share · 710 followers View post →
Conny Bergé
@BergeConny · X

RT @DrPaulKelley: Once again, California looks to become the first state to change teen start times, and improve health and learning. Read…

Apr 4, 2019 · 1 share · 835 followers View post →
Dr Paul Kelley
@DrPaulKelley · X

Once again, California looks to become the first state to change teen start times, and improve health and learning. Read https://t.co/prONZVEQVH research that shows better health and learning can be huge with later starts Read Body Clocks (by @DrPaulKelley and @SianGriffiths6). https://t.co/hvnuJsVC4W

Apr 4, 2019 · 5 likes · 1 share · 710 followers View post →
Sleep_101
@Sleep101USA · X

RT @DrPaulKelley: The issues of later school starts are international as are the solutions https://t.co/prONZVnfx7 https://t.co/BQhO3Xp1Dw

Feb 12, 2019 · 1 share · 73 followers View post →
Dr Paul Kelley
@DrPaulKelley · X

The key is health and teenagers' illnesses falling by 50%- our duty of care overrides making changes in minor importance. https://t.co/prONZVEQVH https://t.co/hA9BfDj1Do

Feb 12, 2019 · 1 like · 710 followers View post →
Dr Paul Kelley
@DrPaulKelley · X

The issues of later school starts are international as are the solutions https://t.co/prONZVnfx7 https://t.co/BQhO3Xp1Dw

Feb 12, 2019 · 1 share · 710 followers View post →
Dr Paul Kelley
@DrPaulKelley · X

https://t.co/prONZVnfx7 demonstrated that 8:30 is too early https://t.co/DixNtT8vh8

Feb 12, 2019 · 710 followers View post →
Dr Paul Kelley
@DrPaulKelley · X

https://t.co/prONZVEQVH demonstrates this is right! https://t.co/5i7m0GTKed

Feb 12, 2019 · 710 followers View post →
Dr Paul Kelley
@DrPaulKelley · X

Teenagers need sleep! Listen to students, and read the science. https://t.co/prONZVEQVH For the full science see Body Clocks: The biology of time for sleep, education and work https://t.co/ufGEzCJy26

Feb 11, 2019 · 1 like · 710 followers View post →
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... 10.3389/fnhum. 2017.00588/full ¿Conoces algún espacio educativo que empiece a partir de las 10 horas? ¿Qué horarios crees que beneficiarían en la salud en ...

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frontiersin.org/journals/human- neuroscience/articles/10.3389/fnhum. 2017.00588/full ¿Conoces algún espacio educativo que empiece a partir de las 10 horas ...

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WhitePaper Improving Your Timetable | PDF | Language Education ...
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... 10.3389/fnhum.2017.00588. Maybe you should be discussing these topics with your Senior Management Team? There are 3 main aspects that affect your timetabling ...

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A study has indicated that delaying school start times for teenagers ...
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org/journals/human- neuroscience/articles/10.3389/fnhum. 2017.00588/full. frontiersin.org. Frontiers | Is 8:30 a.m. Still Too Early to Start ...

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https://doi.org/10.3389/fnhum.2017.00588 #bola https://t.me/psixo_bloguz #maktab #dars #bola #tarbiya #vaqt #psixologiya #psixolog. more.

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Just seen a post that said a secondary school has changed the start ...
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... 10.3389/fnhum. 2017.00588/full. frontiersin.org. Frontiers | Is 8:30 a.m. Still Too Early to Start School? A 10:00. 9 hrs. Neil Houghton. I'm ...

Sep 19, 2025 View →
Masuk sekolah lebih pagi, benarkah bikin anak disiplin dan pintar ...
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... 10.3389/fnhum.2017.00588/full University of Minnesota (Sleep Health, 2017): Jam masuk lebih siang menurunkan risiko depresi dan meningkatkan ...

Jun 7, 2025 View →
Pikalt vaagitud koolipäeva alguse kella üheksaks nihutamine saab ...
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Hivatkozások: https://www.frontiersin.org/journals/human-neuroscience/articles/10.3389/fnhum.2017.00588/full vagy https://www.cell.com ...

Apr 15, 2025 View →
Долго обсуждавшееся перенесение начала школьного дня на ...
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Ссылки: https://www.frontiersin.org/journals/human-neuroscience/articles/10.3389/fnhum.2017.00588/full или https://www.cell.com/current ...

Apr 15, 2025 View →
Pikalt vaagitud koolipäeva alguse kella üheksaks nihutamine saab ...
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Viiteid: https://www.frontiersin.org/journals/human-neuroscience/articles/10.3389/fnhum.2017.00588/full või https://www.cell.com/current ...

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Lo spostamento dell'inizio della giornata scolastica alle nove, a ...
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Riferimenti: https://www.frontiersin.org/journals/human-neuroscience/articles/10.3389/fnhum.2017.00588/full o https://www.cell.com ...

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Le report du début de la journée scolaire à 9 heures, longtemps ...
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Sources : https://www.frontiersin.org/journals/human-neuroscience/articles/10.3389/fnhum.2017.00588/full ou https://www.cell.com/current ...

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Little do many realize that homeschooling was not the experiment ...
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Link to original article: https://doi.org/10.3389/fnhum.2017.00588 #HomeschoolLife #SlowMornings #HomeschoolRhythm #GentleParenting ...

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Je to vtipné, protože daná studie řešila posun od 8.30 na 10:00 ...
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... 10.3389/fnhum.2017.00588. Create account ·

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Students at QEII High School will have to start school earlier from ...
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org/articles/10.3389/fnhum. 2017.00588/full?utm_source=F- NTF&utm_medium=EMLX&utm_campaign= PRD_FEOPS_20170000_ARTICLE https://www.open.ac.

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https://doi.org/10.3389/fnhum.2017.00588. more. View all 42 comments. August 19 · Sign up • Instagram · Meta · About · Blog · Jobs · Help · API.

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org/articles/10.3389/fnhum. 2017.00588/full https://www.apa. org/pi/families/resources/school-start- times.pdf. ncbi.nlm.nih.gov. School ...

Sep 29, 2021 View →
With school back in session and everyone back to the early morning ...
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... Time Improves Health and Performance of Students Aged 13–16. Front. Hum. Neurosci. 11:588. doi: 10.3389/fnhum.2017.00588".

Aug 24, 2021 View →
Early school start times have detrimental effects on US teens' health
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Front Hum Neurosci. 2017;doi:10.3389/fnhum.2017.00588. Owens JA, et al. Pediatrics. 2014;doi:10.1542/peds/2014-1697 ...

Sep 14, 2018 View →