Shortening of sleep length and delayed mid-sleep on free days are the characteristic features of predominantly morning active population of Indian teenagers

Pande, Babita; Parveen, Noorshama; Parganiha, Arti; Pati, Atanu Kumar

doi:10.1007/s41105-018-0173-7

Cited by 11 publications

(11 citation statements)

References 43 publications

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“…There is evidence from the studies in support of our finding in which adolescents face sleep deprivation during school days [27][28]. Another study on Indian teenagers revealed that they are sleeping on an average of 6.61 hours during school days [29] which is far less than the recommendation of the duration of sleep i.e., 8-10 hours by NSF (National Sleep Foundation) [30]. Indian adolescent sleep duration is even shorter than the average sleep duration of adolescents estimated from different countries of the world [29,[31][32].…”

Section: Time To Bedsupporting

confidence: 74%

“…Another study on Indian teenagers revealed that they are sleeping on an average of 6.61 hours during school days [29] which is far less than the recommendation of the duration of sleep i.e., 8-10 hours by NSF (National Sleep Foundation) [30]. Indian adolescent sleep duration is even shorter than the average sleep duration of adolescents estimated from different countries of the world [29,[31][32]. Our study explains the inadequate amount of adolescent sleep duration of secondary school students.…”

Section: Time To Bedmentioning

confidence: 99%

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Sleep Difference between Adolescents and Young Adults

Verma

Dubey

Rani

et al. 2021

JAMMR

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Background: Sleep is important for maintaining overall physical and mental health. Adolescents and young adults (AYAs) at growing age need more sleep because it acts as the fuel for rapidly growing brain and bodies. Many physicians encounter young people having health issue developed due to improper sleep. Understanding the connection between sleep and health in AYAs is important as the sleep problem is coming up as a global pandemic that can seriously harm the health, safety, productivity of our nation’s young generation, thus, is a major public health concern. Aim: The current study investigates the sleep behavior (such as sleep onset, sleep offset, sleep latency, sleep inertia, actual sleep) of adolescents in comparison to young adults. Methods: Present study is based on self-reported sleep-log entries made by subjects. The collection of data is done on a random basis from school and university set up. Sleep log sheet is an instrument that elicits sleep-related data (sleep onset/offset, latency/inertia, etc.) on a day-to-day basis. Statistical analysis was done using the Mann-Whitney U test at a significance level of p < 0.005. Results: To conduct this study, individuals of two different age groups were selected; adolescent group (age = 14±01 year; n = 564) and young adult (age = 23±01 year; n = 43). The study shows a significant difference between adolescents and young adult’s timings for various sleep variables such as time to bed (p<0.0001), sleep onset (p<0.0001), sleep offset (p<0.0001), sleep inertia (p= 0.0156). Although, no significant difference was reported in actual sleep duration and sleep latency between the groups. Conclusion: Outcomes of the study are indicative of sleep deprivation in adolescent students. This information can help us to further understand the sleep-related differences in the behavior of adolescent and young adults. This can aid in devise a better work schedule to optimize their performance.

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Section: Time To Bedsupporting

confidence: 74%

Section: Time To Bedmentioning

confidence: 99%

Sleep Difference between Adolescents and Young Adults

Verma

Dubey

Rani

et al. 2021

JAMMR

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“…The Uruguayan school system appears as particularly advantageous for chronobiological studies because students are randomly assigned into shifts, creating a natural experiment to compare between similar populations under different social pressures (Estevan et al, 2018). The chronotype distribution of Uruguayan high school students reported in this study (as well as in Uruguayan university students; Silva et al, 2019;Tassino et al, 2016) is extremely delayed, with some of the most extreme late chronotype values reported so far in the literature (Carissimi et al, 2016;Fischer et al, 2017;Masal et al, 2015Masal et al, , 2016Pande et al, 2018;Porcheret et al, 2018;Randler, 2008;Randler et al, 2009;Roenneberg et al, 2007a;Vollmer et al, 2017). It is noteworthy that late chronotypes have also been reported in students from countries with very similar cultural practices such as Buenos Aires (Argentina) or Madrid (Spain) (Randler, 2008).…”

Section: Extreme Chronotypes Of Uruguayan Youthmentioning

confidence: 67%

“…Based on several previous studies, adolescent sleep has been described as a perfect storm (Carskadon, 2011; Crowley et al, 2018), because in the same period of life in which chronotypes become later, school attendance is universally scheduled very early in the morning. Therefore, a great proportion of adolescents across the world experience a chronic misalignment between their inner and social clocks that results in a sleep deficit during school days and sleep compensation during weekends (Andrade et al, 1993; Arrona-Palacios and Díaz-Morales, 2017; Carissimi et al, 2016; Carskadon et al, 1998; Crowley et al, 2014; Hansen et al, 2005; Laberge et al, 2001; Lehto et al, 2016; Mello et al, 2001; Pande et al, 2018; Russo et al, 2007; Urner et al, 2009; Valdez et al, 1996; Wolfson, 1996; Wolfson and Carskadon, 1998; Yang et al, 2005). Although the sleep patterns of both morning- and afternoon-shift students followed the expected changes between school days and weekends, we observed 2 different scenarios.…”

Section: Discussionmentioning

confidence: 99%

Short Sleep Duration and Extremely Delayed Chronotypes in Uruguayan Youth: The Role of School Start Times and Social Constraints

et al. 2020

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During adolescence, biological, psychosocial, and contextual factors converge in a “perfect storm” and have been put forward to explain the delay in chronotype observed at this age and the prevalence of disrupted sleep. This study provides evidence to support that chronotype and sleep patterns (particularly sleep duration) are socially constrained and to identify novel significant social predictors. Uruguayan public school activities are arranged in up to 4 shifts, creating a natural experiment to examine the effect of school timing on questionnaire-based assessments of sleep and chronotype. In this study, 268 high school students (15-18 years old) who attended school either on morning (0730 to 1130 h) or afternoon shifts (1130 h to 1530 h) responded to an adapted School Sleep Habits Survey. Students attending afternoon shifts had later chronotypes (a 1.5-h later midpoint of sleep on free days adjusted for sleep debt) than those attending the morning shift. Besides shift, evening social activities (including dinner time) were further identified as key predictors of late chronotypes, whereas age and gender were not. Sleep on school days was overall advanced and reduced with respect to weekends, and these effects were stronger in morning-shift students. Weekend sleep duration was similar between shifts, which probably caused the prevalence of reduced sleep durations (average weekly sleep duration, SDweek <8 h) to be higher in morning-shift students (almost 80%) than in afternoon-shift ones (34%). Reduced sleep duration was significantly higher in morning-shift students. In addition, age, chronotype, and dinner time became relevant determinants of sleep deficit only in the morning-shift students. Besides the important social constraint of early school start time, this is the first study to confirm the significance of other types of social pressures on both adolescents’ chronotype and sleep deficit, which can be useful as potential new targets for effective policies to protect adolescent sleep.

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“… 4 Besides, earlier reports have also purported compromised sleep health in females on account of domestic/cultural or hormonal cycle. 13 , 16 , 17 More difference in mid-sleep before and during lockdown seems to cause higher social jetlag in females compared to male counterparts in our survey. Gender is known as one of the moderating factors for social jetlag through influencing sleep quality.…”

Section: Discussionmentioning

confidence: 48%

Association of Mid Sleep Time and Social Jetlag with Psychosocial Behaviour of Indian Population during Covid-19 Lockdown

Sinha

Pande

Sinha

2020

Journal of Public Health Research

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Background: India, being the third worst affected country from COVID-19 pandemic at the time of study, faced complete lockdown to minimize community transmission that confined people to social isolation for extended durations. Design and Methods: Therefore, we conducted an online questionnaire-based survey for the Indian population after 37 days of complete lockdown to assess the integrative effects of such home restriction and social isolation on mid-sleep time, social jetlag, and their associated psychosocial behaviour. From the reports of sleep onset and waking-up times before and during lockdown as obtained from a total of 1511 respondents of ≥18 years, mid-sleep time (MST) and social jetlag (SJL) were calculated. Participants also rated their psychosocial behaviour related variables on a Likert scale. Results: Significantly delayed MST was noted during the lockdown. The majority showed reduced social jetlag; however, younger people and female subjects exhibited more SJL with delay in MST. Also, delayed MST and elevated SJL problems were more clearly demonstrated in people exhibiting more disturbances in sleep quality and daily routine, lower general mood status, irregular feeding habits (snacking frequency), worsened personal relationship, quality of life, and increased daydreaming events.Conclusion: The study emphasizes the importance of maintaining a regular daily routine with respect to sleep-wake patterns and eating habits to minimize the impact of such a crisis situation on sleep behaviour, social jetlag, and associated psychosocial wellbeing.

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Shortening of sleep length and delayed mid-sleep on free days are the characteristic features of predominantly morning active population of Indian teenagers

Cited by 11 publications

References 43 publications

Sleep Difference between Adolescents and Young Adults

Sleep Difference between Adolescents and Young Adults

Short Sleep Duration and Extremely Delayed Chronotypes in Uruguayan Youth: The Role of School Start Times and Social Constraints

Association of Mid Sleep Time and Social Jetlag with Psychosocial Behaviour of Indian Population during Covid-19 Lockdown

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