Social jetlag in school students: evidence to suggest that sleep deprivation during work days is common

2016 ◽  
Vol 48 (1) ◽  
pp. 99-112 ◽  
Author(s):  
Priti Chandrakar
Keyword(s):  
Sleep Deprivation ◽  
School Students ◽  
Social Jetlag

Afternoon School Start Times Are Associated with a Lack of Both Social Jetlag and Sleep Deprivation in Adolescents

2020 ◽  
Vol 35 (4) ◽  
pp. 377-390 ◽  
Author(s):  
Rubia P. Carvalho-Mendes ◽  
Gideon P. Dunster ◽  
Horacio O. de la Iglesia ◽  
Luiz Menna-Barreto
Keyword(s):  
Middle School Students ◽  
Sleep Deprivation ◽  
Sleep Onset ◽  
Electronic Media ◽  
School Students ◽  
Social Jetlag ◽  
Early School ◽  
Sleep Parameters ◽  
School Start Times ◽  
Morning Shift

The delayed circadian timing of adolescents creates a conflict with early school start times (SSTs). We used wrist actimetry to compare sleep parameters and routine nighttime activities in middle school students attending either a morning (0700 to 1200 h) or an afternoon (1230 to 1730 h) school shift. On school days, students from both shifts ( n = 21 for morning shift, n = 20 for afternoon shift, ages 12-14 years) had a similar sleep onset, but morning-shift students had an earlier sleep offset and a 1 h 45 min shorter sleep duration than their afternoon peers, who slept the recommended 8 to 10 h of daily sleep. Only morning-shift students had afternoon naps, but this afternoon sleep was not sufficient to overcome sleep deprivation. On weekends, sleep onsets and offsets did not differ between shifts. Because only morning-shift students woke up later and slept longer (2 h 3 min) on weekends, they were also the only ones who experienced social jetlag. Daily surveys on their nighttime (from 1800 to 0600 h) activities indicated there was no difference between shifts in the time spent on leisure or using electronic media during school days, but students from both shifts spent more time in these activities during the weekend. Our study confirms that early SST in adolescents is associated with sleep deprivation and suggests that schedules that start much later than typically considered may be needed to eliminate sleep deprivation in adolescents.

Social jetlag and sleep deprivation are associated with altered activity in the reward-related brain areas: an exploratory resting-state fMRI study

2020 ◽  
Vol 72 ◽  
pp. 12-19 ◽  
Author(s):  
Ruben Emanuel Nechifor ◽  
Dana Ciobanu ◽  
Camelia Larisa Vonica ◽  
Cristian Popita ◽  
Gabriela Roman ◽  
...  
Keyword(s):  
Sleep Deprivation ◽  
Resting State ◽  
Resting State Fmri ◽  
Brain Areas ◽  
Social Jetlag ◽  
Fmri Study

scholarly journals Social jetlag and sleep debts are altered in different rosters of night shift work

PLoS ONE ◽  
2022 ◽  
Vol 17 (1) ◽  
pp. e0262049
Author(s):  
Swaantje Casjens ◽  
Frank Brenscheidt ◽  
Anita Tisch ◽  
Beate Beermann ◽  
Thomas Brüning ◽  
...  
Keyword(s):  
Sleep Quality ◽  
Sleep Deprivation ◽  
Sleep Duration ◽  
Shift Work ◽  
Night Shift ◽  
Shift Workers ◽  
Social Jetlag ◽  
Sleep Debt ◽  
The Impact ◽  
Night Shifts

Background Night and shift work are suspected to cause various adverse effects on health and sleep. Sleep deprivation through shift work is assumed to be compensated on free days. So far it is not clear how different shift systems and shift lengths affect sleep structure on work and free days. Especially working night shifts disrupts the circadian rhythm but also extended working hours (12h) might affect sleep characteristics. Hitherto, the magnitude of sleep debt, social jetlag, and Locomotor Inactivity During Sleep (LIDS) in different shift systems is unknown. Methods Here, we investigated the impact of five different shift rosters on sleep in 129 industrial workers from Germany. Permanent night work with multiple shift systems with and without night shifts and with different shift lengths were compared. Wrist-activity was monitored over 28 days revealing sleep on- and offsets as well as LIDS as proxy for sleep quality. Overall, 3,865 sleep bouts comprising 22,310 hours of sleep were examined. Results The mean daily age-adjusted sleep duration (including naps) was 6:43h and did not differ between shift workers of different rosters. However, sleep duration on workdays was particularly low in rotational shift systems with 12h-shifts (5:00h), while overall sleep debt was highest. Shift workers showed a median absolute social jetlag of 3:03h, which differed considerably between shift types and rosters (p<0.0001). Permanent night workers had the highest social jetlag (5:08h) and latest mid-sleeps on workdays and free days. Sleep quality was reduced in permanent night shift workers compared with shift workers in other rosters and differed between daytime and nighttime sleep. Conclusions Shift work leads to partial sleep deprivation, which particularly affects workers in 12h-shifts and permanent night shifts. Working these shifts resulted in higher sleep debts and larger absolute social jetlag whereas sleep quality was especially reduced in permanent night shift workers compared with shift workers of other rosters.

Association between Sleep Duration and Overweight/Obesity risk among middle-school students: a cross-sectional study in Fuzhou, China

2020 ◽  
Author(s):  
Guobo Li ◽  
Shichao Wei ◽  
Fuhao Zheng ◽  
Xingyan Xu ◽  
Yingying Cai ◽  
...  
Keyword(s):  
Middle School ◽  
High School Students ◽  
Sleep Deprivation ◽  
Sleep Duration ◽  
Overweight And Obesity ◽  
Odds Ratios ◽  
School Students ◽  
Related Factors ◽  
Insufficient Sleep ◽  
Overweight Or Obesity

Abstract Background: This study was designed to investigate the prevalence of sleep deprivation and explore the association between sleep duration and overweight or obesity in adolescents from middle school in Fuzhou, China.Methods: Questionaires focusing on sleep duration and overweight or obesity related factors were collected. A generalized linear hybrid model was used to evaluate the effects of sleep duration on overweight or obesity in school students.Results: The overall rates of overweight and obesity were 12.1% and 7.1%, respectively. The prevalence of sleep deprivation among students was 82.8%. The majority of high school students (92.5%) suffered from insufficient sleep. Compared with male children with a sleep duration of over 8 hrs a day, the odds ratios (95% CI) of overweight/obesity for those with a sleep duration of less than 6 h or 6 - 8 h, were 1.63 (1.25-2.13) and 1.06 (0.88-1.27). After adjusting social and demographic status, mental health and lifestyle factors, the odds ratios of female children were 1.38(0.99-1.93) and 1.04 (0.79-1.35), respectively.Conclusions: A large number of adolescents suffered from insufficient sleep. Sleep duration was negatively correlated with overweight or obesity among male children.

scholarly journals COPING MECHANISMS OF SENIOR HIGH SCHOOL STUDENTS WITH SLEEP DEPRIVATION: A PHENOMENOLOGICAL STUDY

2021 ◽  
Vol 90 (1) ◽  
Author(s):  
Leslie Ann O. Parantar ◽  
Jessel Jane M. Reforzado ◽  
Gabrielle Victor T. Costuna ◽  
Felvieh H. Llurag ◽  
Rolando T. De Veyra III
Keyword(s):  
High School ◽  
High School Students ◽  
Sleep Deprivation ◽  
Phenomenological Study ◽  
Coping Mechanisms ◽  
Senior High School ◽  
School Students ◽  
Senior High School Students
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