A peer-reviewed open-access journal that investigates a wide range of sleep-related topics
Latest topics of this journal:
Clocks & Sleep
Clocks & Sleep, Vol. 3, Pages 342-350: Concordance of Chronotype Categorisations Based on Dim Light Melatonin Onset, the Morningness-Eveningness Questionnaire, and the Munich Chronotype Questionnaire
Chronotype reflects circadian timing and can be determined from biological markers (e.g., dim light melatonin onset; DLMO), or questionnaires (e.g., Morningness-Eveningness Questionnaire; MEQ, or Munich Chronotype Questionnaire; MCTQ). The study’s...
Author: Andrew M. Reiter
Posted: June 17, 2021, 12:00 am
Clocks & Sleep, Vol. 3, Pages 298-311: Trait Interindividual Differences in the Magnitude of Subjective Sleepiness from Sleep Inertia
In shift work settings and on-call operations, workers may be at risk of sleep inertia when called to action immediately after awakening from sleep. However, individuals may differ substantially in their susceptibility to sleep inertia. We investi...
Author: Kirsie R. Lundholm
Posted: June 3, 2021, 12:00 am
Clocks & Sleep, Vol. 3, Pages 289-297: Partners and Ex-Partners in Dreams: A Diary Study
Romantic relationships are an important part of human life and thus, according to the continuity hypothesis of dreaming, one’s romantic partner should show up in dreams quite frequently. The present study is based on 1612 dream reports provided by...
Author: Michael Schredl
Posted: May 26, 2021, 12:00 am
Clocks & Sleep, Vol. 3, Pages 274-288: Validation Framework for Sleep Stage Scoring in Wearable Sleep Trackers and Monitors with Polysomnography Ground Truth
The rapid growth of point-of-care polysomnographic alternatives has necessitated standardized evaluation and validation frameworks. The current average across participant validation methods may overestimate the agreement between wearable sleep tra...
Author: Quyen N. T. Nguyen
Posted: May 3, 2021, 12:00 am
Clocks & Sleep, Vol. 3, Pages 259-273: Microsleep versus Sleep Onset Latency during Maintenance Wakefulness Tests: Which One Is the Best Marker of Sleepiness?
The interpretation of the Maintenance Wakefulness Test (MWT) relies on sleep onset detection. However, microsleeps (MSs), i.e., brief periods of sleep intrusion during wakefulness, may occur before sleep onset. We assessed the prevalence of MSs du...
Author: Ludivine Des Champs de Boishebert
Posted: April 30, 2021, 12:00 am
Clocks & Sleep, Vol. 3, Pages 251-258: Meal and Sleep Timing before and during the COVID-19 Pandemic: A Cross-Sectional Anonymous Survey Study from Sweden
The COVID-19 pandemic and related restrictions, such as stay-at-home-orders, have significantly altered daily routines and lifestyles. Given their importance for metabolic health, we herein compared sleep and meal timing parameters during vs. befo...
Author: Christian Benedict
Posted: April 22, 2021, 12:00 am
Clocks & Sleep, Vol. 3, Pages 236-250: Nighttime Light Hurts Mammalian Physiology: What Diurnal Rodent Models Are Telling Us
Natural sunlight permits organisms to synchronize their physiology to the external world. However, in current times, natural sunlight has been replaced by artificial light in both day and nighttime. While in the daytime, indoor artificial light is...
Author: Jorge Mendoza
Posted: April 1, 2021, 12:00 am
Clocks & Sleep, Vol. 3, Pages 227-235: Effects of Exercise in Patients with Obstructive Sleep Apnoea
Obstructive sleep apnoea (OSA) constitutes a public health problem, with various systemic consequences that can increase cardiovascular morbidity and mortality as well as increase healthcare expenditure. This review discusses the rationale and eff...
Author: Rodrigo Torres-Castro
Posted: March 3, 2021, 12:00 am
