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. 4, Pages 1-7: Questionnaire-Derived Sleep Habits and Academic Achievement in First Year University Students
This study aimed to determine the effect of sleep quantity and quality via the Pittsburgh Sleep Quality Index (PSQI) on students’ academic achievement in their first year of university study. In this cross-sectional study, 193 students (102 ...
Author: Matthew Driller
Posted: December 28, 2021, 12:00 am
Clocks & Sleep, Vol. 3, Pages 615-623: Player Chronotype Does Not Affect In-Game Performance during the Evening (>18:00 h) in Professional Male Basketball Players
Sport-specific skills display diurnal variation across various team sports such as badminton and tennis serving accuracy and soccer dribbling, volleying, and chipping execution. However, the effects of athlete chronotype on in-game sport-specific ...
Author: Michael Pengelly
Posted: November 29, 2021, 12:00 am
Clocks & Sleep, Vol. 3, Pages 624-632: Influence of Geomagnetic Disturbances at Different Times of Day on Locomotor Activity in Zebrafish (Danio Rerio)
The influence of magnetic fields and natural geomagnetic storms on biological circadian rhythms are actively studied. This study reveals an impact of local natural perturbations in the geomagnetic field that occurred at different times of the day ...
Author: Viacheslav V. Krylov
Posted: November 29, 2021, 12:00 am
Clocks & Sleep, Vol. 3, Pages 609-614: Clocks in Dreams: Analysis of a Long Dream Series
Many dream content analytic studies focus on dream characters, animals, social interactions and so on, but they rarely analyze the frequency of everyday objects in dreams. In the present paper, the frequency and phenomenology of clock dreams in a ...
Author: Michael Schredl
Posted: November 24, 2021, 12:00 am
Clocks & Sleep, Vol. 3, Pages 598-608: Circadian Alterations Increase with Progression in a Patient-Derived Cell Culture Model of Breast Cancer
Circadian rhythm disruption can elicit the development of various diseases, including breast cancer. While studies have used cell lines to study correlations between altered circadian rhythms and cancer, these models have different genetic backgro...
Author: Hui-Hsien Lin
Posted: November 12, 2021, 12:00 am
Clocks & Sleep, Vol. 3, Pages 581-597: GI-SleepNet: A Highly Versatile Image-Based Sleep Classification Using a Deep Learning Algorithm
Sleep-stage classification is essential for sleep research. Various automatic judgment programs, including deep learning algorithms using artificial intelligence (AI), have been developed, but have limitations with regard to data format compatibil...
Author: Tianxiang Gao
Posted: November 1, 2021, 12:00 am
Clocks & Sleep, Vol. 3, Pages 558-580: How Smart Is It to Go to Bed with the Phone? The Impact of Short-Wavelength Light and Affective States on Sleep and Circadian Rhythms
Previously, we presented our preliminary results (N = 14) investigating the effects of short-wavelength light from a smartphone during the evening on sleep and circadian rhythms (Höhn et al., 2021). Here, we now demonstrate our full sample (N = 33...
Author: Sarah R. Schmid
Posted: October 28, 2021, 12:00 am
Clocks & Sleep, Vol. 3, Pages 547-557: Acute Myocardial Infarction and Daylight Saving Time Transitions: Is There a Risk?
Available evidence on the risk of acute myocardial infarction (AMI) in the days after the spring daylight saving time (DST) transition suggests either a modest increase or no risk increase. Partial sleep deprivation and enhanced circadian clock mi...
Author: Viktor Čulić
Posted: October 25, 2021, 12:00 am
