J Biol Rhythms April 2005 PMID 15834114

Stability of melatonin and temperature as circadian phase markers and their relation to sleep times in humans.

S Benloucif, M J Guico, K J Reid, L F Wolfe, M L'hermite-Balériaux, P C Zee

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Mentions

14
Peak: 4 in May 2023
across 3 sources since Jan 2023

Extended reach

34,942
potential audience

Total likes

36

Video views

1,050

Mentions per month

Jan 2023 – Apr 2025

Where it's discussed

  • X / Twitter9 posts
  • YouTube4 videos
  • Bluesky1 posts

AI synopsis

What people are saying

The social discussions are primarily promotional, encouraging viewers to check out YouTube channels or tips for running and fitness, with little mention of the study's content. The tone is casual and promotional, lacking detailed analysis or critique, which explains the neutral scores across interest, engagement, and impact.

AgreementLow agreement

Most of the discussions are unrelated to the research, showing little support or critique of the article's findings.

InterestNeutral interest

Many posts focus on promoting their own content or general activities rather than engaging with the article itself, indicating neutral interest.

EngagementLow engagement

Posts show shallow engagement, mainly sharing links or promotional content without deep analysis or discussion.

ImpactNeutral impact

The overall conversations do not seem to influence opinions or highlight significant implications of the research, suggesting minimal impact.

Abstract in brief

  • This study examined how stable and reliable melatonin and core body temperature are as indicators of the human circadian clock, especially under normal living conditions, and how these markers relate to sleep times.
  • Results showed that melatonin phases are more consistent and better correlated with actual sleep times compared to temperature measurements, with simple cosine analysis being the simplest and least variable method for estimating temperature nadirs.
  • Overall, sleep offset (when a person wakes up) correlates more strongly with these biological markers than sleep onset, suggesting that the timing of waking is a better indicator of circadian phase than bedtime.

Top posts

Most liked on X and Bluesky
GoProFun
@GoProFun · X

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Mar 27, 2024 · 2 likes · 4,607 followers View post →
GoProFun
@GoProFun · X

Want a few #running and #fitness tips? We've got 12 Tools we keep in mind - give 'em a try! Here's 8 - 12... https://t.co/XRNd4GuF55

May 18, 2023 · 1 like · 4,607 followers View post →
GoProFun
@GoProFun · X

Want a few #running tips? We have 12! Here's the middle 4 - enjoy! https://t.co/l6vqZ8e1Oj

May 11, 2023 · 1 like · 4,607 followers View post →
GoProFun
@GoProFun · X

Want a few #running and #fitness tips? We've got 12 of 'em. Here's a run down of the first 4. https://t.co/vGnZE992Fb

May 4, 2023 · 1 like · 4,607 followers View post →
Michael
@Michael67154285 · X

The Middle Four: Breaking Impossible vLog 202303 https://t.co/wFXw0zM0wf via @YouTube

Feb 25, 2023 · 1 like · 33 followers View post →
Breaking Impossible
@breakingimpossible.bsky.social · Bluesky

Check in our methods! #BreakingImpossible #running #hiking #OptOutside https://youtu.be/ZBn_upPoRrE

Apr 22, 2025 · 1 like View post →

All mentions

Breaking Impossible
@breakingimpossible.bsky.social · Bluesky

Check in our methods! #BreakingImpossible #running #hiking #OptOutside https://youtu.be/ZBn_upPoRrE

Apr 22, 2025 · 1 like View post →
GoProFun
@GoProFun · X

Did you know we have a YouTube Channel? We've lots to choose from: #trail #running (of course), #zen & #calm, #travel, friendly #TipsandTricks too! Here? Helpful #training #tips Did you know you could help us out!? (Yep: like & subscribe) https://t.co/1YTSimw41h

Mar 30, 2024 · 4,607 followers View post →
GoProFun
@GoProFun · X

Did you know we have a YouTube Channel? We've lots to choose from: #trail #running (of course), #zen & #calm, #travel, friendly #TipsandTricks too! Here? More helpful #tips on #training Did you know you could help us out!? (Yep: like & subscribe) https://t.co/j2WEgNcg8i

Mar 28, 2024 · 4,607 followers View post →
GoProFun
@GoProFun · X

Did you know we have a YouTube Channel? We've lots to choose from: #trail #running (of course), #zen & #calm, #travel, friendly #TipsandTricks too! Here? Our help tips, and not The Fun Police Did you know you could help us out!? (Yep: like & subscribe) https://t.co/J8WM6plYox

Mar 27, 2024 · 2 likes · 4,607 followers View post →
GoProFun
@GoProFun · X

Want a few #running and #fitness tips? We've got 12 Tools we keep in mind - give 'em a try! Here's 8 - 12... https://t.co/XRNd4GuF55

May 18, 2023 · 1 like · 4,607 followers View post →
KRAZY KEITH RULES
@krazykeithrules · X

RT @GoProFun: Want a few #running tips? We have 12! Here's the middle 4 - enjoy! https://t.co/l6vqZ8e1Oj

May 11, 2023 · 6,185 followers View post →
GoProFun
@GoProFun · X

Want a few #running tips? We have 12! Here's the middle 4 - enjoy! https://t.co/l6vqZ8e1Oj

May 11, 2023 · 1 like · 4,607 followers View post →
GoProFun
@GoProFun · X

Want a few #running and #fitness tips? We've got 12 of 'em. Here's a run down of the first 4. https://t.co/vGnZE992Fb

May 4, 2023 · 1 like · 4,607 followers View post →
Michael
@Michael67154285 · X

The Last Four: Breaking Impossible vLog 202304 https://t.co/gFRpWOei15 via @YouTube

Mar 4, 2023 · 33 followers View post →
Michael
@Michael67154285 · X

The Middle Four: Breaking Impossible vLog 202303 https://t.co/wFXw0zM0wf via @YouTube

Feb 25, 2023 · 1 like · 33 followers View post →