Sleep Quality and Social Jetlag in Young Adults During the Social Distancing Caused by COVID-19

Salles, Cristina; Almondes, Katie Moraes de; Araújo, Marcelo Marotta; Marques, Inara; Gonzaga, Lucas; Meira-E-Cruz, Miguel; Aguiar, Carolina Villa Nova; Dias, Cristiane Costa

doi:10.1055/s-0043-1770806

Cited by 2 publications

(1 citation statement)

References 59 publications

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“… 27 Indeed, late chronotypes in our sample had significantly poorer sleep quality and slept fewer hours the night before the experiment although both effects remained when sleep quality was adjusted for. This finding could be because late chronotypes experience more social jetlag (16.6% of young adults experience a delay of 2 hours 28 ), although this was not directly measured. Interestingly, the learning rate also showed this interaction effect despite not being sensitive to an overall synchrony effect.…”

Section: Discussionmentioning

confidence: 98%

Chronotype and emotion processing: a pilot study testing timing of online cognitive bias modification training

Crisp,

Mooney,

Howlader

et al. 2024

BMJ Ment Health

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BackgroundCircadian rhythms influence cognitive performance which peaks in the morning for early chronotypes and evening for late chronotypes. It is unknown whether cognitive interventions are susceptible to such synchrony effects and could be optimised at certain times-of-day.ObjectiveA pilot study testing whether the effectiveness of cognitive bias modification (CBM) for facial emotion processing was improved when delivered at a time-of-day that was synchronised to chronotype.Methods173 healthy young adults (aged 18–25) with an early or late chronotype completed one online session of CBM training in either the morning (06:00 hours to 10:00 hours) or evening (18:00 hours to 22:00 hours).FindingsModerate evidence that participants learnt better (higher post-training balance point) when they completed CBM training in the synchronous (evening for late chronotypes, morning for early chronotypes) compared with asynchronous (morning for late chronotypes, evening for early chronotypes) condition, controlling for pre-training balance point, sleep quality and negative affect. There was also a group×condition interaction where late chronotypes learnt faster and more effectively in synchronous versus asynchronous conditions.ConclusionsPreliminary evidence that synchrony effects apply to this psychological intervention. Tailoring the delivery timing of CBM training to chronotype may optimise its effectiveness. This may be particularly important for late chronotypes who were less able to adapt to non-optimal times-of-day, possibly because they experience more social jetlag.Clinical implicationsTo consider delivery timing of CBM training when administering to early and late chronotypes. This may generalise to other psychological interventions and be relevant for online interventions where the timing can be flexible.

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Section: Discussionmentioning

confidence: 98%

Chronotype and emotion processing: a pilot study testing timing of online cognitive bias modification training

Crisp,

Mooney,

Howlader

et al. 2024

BMJ Ment Health

View full text Add to dashboard Cite

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Stress and sleep quality in medical students: a cross-sectional study from Vietnam

Tran,

Nguyen,

Nguyen

et al. 2023

Front. Psychiatry

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BackgroundThe COVID-19 pandemic has resulted in significant global social and economic disruptions, as well as changes in personal attitude and behavior. The purpose of this research is to assess the sleep quality and stress levels of medical students.MethodData was collected from medical students over the course of a month in 2021. A total of 4,677 students at the University of Medicine Pham Ngoc Thach were invited to complete an anonymous web-based survey, which included the Pittsburgh Sleep Quality Questionnaire Index (PSQI) for measuring sleep quality and the COVID-19 Student Stress Questionnaire (CSSQ) for evaluating stress.ResultsA total of 1,502 students participated in our survey. More than half of the participants exhibited poor quality of sleep as indicated by their PSQI score. Many students reported going to bed after midnight and spending time on their smartphones. Among the students surveyed, 21.84% experienced low levels of stress (CSSQ ≤6), 63.38% had mild stress (7 ≤ CSSQ score ≤ 14), 14.78% reported high levels of stress (CSSQ >14).ConclusionThis study showed a high prevalence of poor sleep quality in the surveyed students, which could be attributed to changes in their behavior following the COVID-19 outbreak. Mild stress was also frequently observed, and it may be related to sleep disorders in this population. These important findings provide valuable insights for making recommendations, including lifestyle modifications to improve sleep quality.

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Sleep Quality and Social Jetlag in Young Adults During the Social Distancing Caused by COVID-19

Cited by 2 publications

References 59 publications

Chronotype and emotion processing: a pilot study testing timing of online cognitive bias modification training

Chronotype and emotion processing: a pilot study testing timing of online cognitive bias modification training

Stress and sleep quality in medical students: a cross-sectional study from Vietnam

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