Publications by authors named "Timo Leppanen"

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Validation of manually scored multichannel frontal electroencephalography against polysomnography in a paediatric cohort.
Sigridur Sigurdardottir, Henna Pitkänen, Henri Korkalainen, Samu Kainulainen, Marta Serwatko

J Sleep Res· December 2025

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Hypoxemia and arousals modulate cardiac responses to respiratory events in obstructive sleep apnea.
Serajeddin Ebrahimian, Saara Sillanmäki, Marika Rissanen, Eric Staykov, Antti Kulkas

Sleep· December 2025

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Behavioral interventions as treatment for insomnia - A scoping review of randomized controlled trials.
Brad Hodge, Elena Richert, Lisa Schmitz, Anna Sigridur Islind, Timo Leppänen

Sleep Med· December 2025

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Temporally Continuous Automated Sleep-Wake Classification Using Deep Learning.
Pranavan Somaskandhan, Henri Korkalainen, Timo Leppänen, Juha Toyras, Kerri Melehan

medRxiv· December 2025

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A novel mobile application to examine impaired vigilance through digital means.
Purbanka Pahari, Lisa Schmitz, Elena Richert, Kamilla Rún Jóhannsdóttir, Hlín Kristbergsdóttir

Sci Rep· November 2025

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Optimal Electroencephalogram and Electrooculogram Signal Combination for Deep Learning-Based Sleep Staging.
Masoumeh Tashakori, Matias Rusanen, Tuomas Karhu, Riku Huttunen, Timo Leppanen

IEEE J Biomed Health Inform· July 2025

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Retrospective validation of automatic sleep analysis with grey areas model for human-in-the-loop scoring approach.
Matias Rusanen, Gabriel Jouan, Riku Huttunen, Sami Nikkonen, Sigríður Sigurðardóttir

J Sleep Res· June 2025

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A comparative analysis of unsupervised machine-learning methods in PSG-related phenotyping.
Mohammadreza Ghorvei, Tuomas Karhu, Salla Hietakoste, Daniela Ferreira-Santos, Harald Hrubos-Strøm

J Sleep Res· June 2025

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Temporal and sleep stage-dependent agreement in manual scoring of respiratory events.
Minna Pitkänen, Henna Pitkänen, Rajdeep Kumar Nath, Sami Nikkonen, Samu Kainulainen

J Sleep Res· June 2025

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Community prevalence of positional obstructive sleep apnea.
Brett L Duce, Antti E Kulkas, Timo T Leppänen, Arie Oksenberg, Juha Töyräs

J Clin Sleep Med· May 2025

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Nocturnal short-term heart rate variability reflects impaired daytime vigilance better than overnight heart rate variability in suspected obstructive sleep apnea patients.
Salla Hietakoste, Tuomas Karhu, Carolina Lombardi, Pablo Armañac-Julián, Raquel Bailón

Sleep· April 2025

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Arousal burden is highest in supine sleeping position and during light sleep.
Minna Pitkänen, Juho Huovinen, Marika Rissanen, Henna Pitkänen, Samu Kainulainen

J Clin Sleep Med· February 2025

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The role of physical activity on obstructive sleep apnea severity and hypoxic load, and the mismatch between subjective and objective physical activity assessments.
Katrin Y Fridgeirsdottir, Kristín A Ólafsdóttir, Anna Sigridur Islind, Timo Leppänen, Erna S Arnardottir

J Sleep Res· December 2024

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Ventilatory Burden Predicts Change in Sleepiness Following Positive Airway Pressure in Sleep Apnea.
Eric Staykov, Dwayne L Mann, Samu Kainulainen, Timo Leppänen, Juha Töyräs

medRxiv· November 2024

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Sleep stage continuity is associated with objective daytime sleepiness in patients with suspected obstructive sleep apnea.
Xin Chen, Timo Leppänen, Samu Kainulainen, Timothy P Howarth, Arie Oksenberg

J Clin Sleep Med· October 2024

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Hypoxaemic load in sleep apnoea is associated with acute changes in T-wave amplitude.
Saara Sillanmäki, Serajeddin Ebrahimian, Salla Hietakoste, David Hernando, Raquel Bailon

ERJ Open Res· September 2024

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Multi-centre arousal scoring agreement in the Sleep Revolution.
Henna Pitkänen, Sami Nikkonen, Marika Rissanen, Anna Sigridur Islind, Heidur Gretarsdottir

J Sleep Res· August 2024

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Prolonged lung-to-finger circulation time indicates an increased risk of intermittent hypoxaemia in sleep apnoea patients.
Purbanka Pahari, Henri Korkalainen, Erna Sif Arnardóttir, Anna Sigridur Islind, Elias August

ERJ Open Res· July 2024

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Increased flow limitation during sleep is associated with decreased psychomotor vigilance task performance in individuals with suspected obstructive sleep apnea: a multi-cohort study.
Eric Staykov, Dwayne L Mann, Timo Leppänen, Juha Töyräs, Samu Kainulainen

Sleep· June 2024

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Nocturnal oxygen resaturation parameters are associated with cardiorespiratory comorbidities.
Timothy P Howarth, Saara Sillanmäki, Tuomas Karhu, Marika Rissanen, Anna Sigridur Islind

Sleep Med· June 2024

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Beat-to-beat cardiac repolarization lability increases during hypoxemia and arousals in obstructive sleep apnea patients.
Serajeddin Ebrahimian, Saara Sillanmäki, Salla Hietakoste, Antti Kulkas, Juha Töyräs

Am J Physiol Heart Circ Physiol· May 2024

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Interhemispheric differences of electroencephalography signal characteristics in different sleep stages.
Masoumeh Tashakori, Matias Rusanen, Tuomas Karhu, Ludger Grote, Rajdeep Kumar Nath

Sleep Med· May 2024

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Variation in the Photoplethysmogram Response to Arousal From Sleep Depending on the Cause of Arousal and the Presence of Desaturation.
Mieli Luukinen, Henna Pitkanen, Timo Leppanen, Juha Toyras, Anna Sigridur Islind

IEEE J Transl Eng Health Med· March 2024

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Review and perspective on sleep-disordered breathing research and translation to clinics.
Henri Korkalainen, Samu Kainulainen, Anna Sigridur Islind, María Óskarsdóttir, Christian Strassberger

Sleep Med Rev· February 2024

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Respiratory event index underestimates severity of sleep apnea compared to apnea-hypopnea index.
Minna Pitkänen, Rajdeep Kumar Nath, Henri Korkalainen, Sami Nikkonen, Alaa Mahamid

Sleep Adv· December 2023

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