Shambavi Ganesh, Beliz Utebay, Jeremy Heit, Ahmet F Coskun
Cellular sociology regulates the hierarchical spatial patterning and organization of cells in organisms
Open biology
insufficient nocturnal sleep primary source excessive daytime sleepiness previous research focused disparity sleep demands study start times adolescents fewer studies focused elementary schoolchildren hypothesize late sleep timing connected excessive daytime sleepiness sample russian children adolescents major goals study evaluate excessive daytime sleepiness russian schoolchildren adolescents using russian version pediatric daytime sleepiness scale pdss estimate relationship sleepwake parameters using munich chronotype questionnaire mctq student subjects public educational facilities republic karelia completed pdss munich chronotype questionnaire estimate sleep parameters chronotype msfsc five hundred eleven students provided data pdss sleepwake variables 479 full mctq data overall prevalence excessive daytime sleepiness eds sample 18 total pdss score inversely correlated sleep length school nights independent respondents sex higher pdss scores associated later bedtimes school days free days shorter sleep duration school days late chronotype pronounced social jetlag positively correlated high pdss scores negative correlation found chronotype duration sleep period weekdays p 0001 positive correlation found weekends p 0001 longer average sleep duration positively related less daytime sleepiness study suggests excessive daytime sleepiness chronotypedependent school start times could shifted later hour prolong sleep reduce eds