Chronotypes and affective disorders: A clock for mood?

Gao, Qian; Shi, Juan; Qin, Song; Zhang, Luoying

doi:10.26599/bsa.2019.9050018

Cited by 22 publications

(14 citation statements)

References 136 publications

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“…The association between chronotype and depression is well documented in the literature (Facer‐Childs et al, 2019; Üzer & Yücens, 2020; Zhou et al, 2021). Research has postulated that the connection between chronotype and mood may be partially due to evening types’ reduced exposure to light (Gao et al, 2019). Evening chronotypes’ vulnerability to mental health issues could also be due to an incompatibility of eveningness with a standard 9:00 a.m. to 5:00 p.m. work or school schedule.…”

Section: Discussionmentioning

confidence: 99%

Mindful larks and lonely owls: The relationship between chronotype, mental health, sleep quality, and social support in young adults

Walsh

Repa

Garland

2021

Journal of Sleep Research

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Summary Chronotype is related to mental health, with evening chronotypes being more susceptible to psychological disorders than intermediate and morning types. The present study investigated the relationship between chronotype, mental health, sleep quality, and social support in Canadian young adults. We surveyed 3160 university students aged 18–35 years. Participants completed the Morningness–Eveningness Questionnaire, the Hospital Anxiety and Depression Scale, the Mindful Attention Awareness Scale, the Pittsburgh Sleep Quality Index, and the Medical Outcomes Study – Social Support Survey. We conducted Bonferroni‐corrected one‐way analyses of covariance with post hoc paired comparisons to determine the relationship between the aforementioned variables, with age and sex as covariates. We further looked at the moderation of social support on the relationship between chronotype and sleep quality. Overall, 55%, 36% and 9% of participants were classified as intermediate, evening and morning types, respectively. There was a significant difference between chronotype on levels of depression, anxiety, and sleep quality, with evening types reporting more severe symptomology than morning‐types and intermediate types. Morning types reported greater levels of overall social support and mindfulness. Evening types reported the lowest levels of all types of social support. Social support did not moderate the relationship between chronotype and sleep quality. This study further demonstrates the association between worse psychological well‐being and eveningness and between more social support, and mindfulness in morning chronotype young adults. Education and intervention are warranted to help evening chronotypes manage the potential negative features of their circadian rhythm, as well as to cultivate a greater sense of social support and mindfulness.

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Section: Discussionmentioning

confidence: 99%

Mindful larks and lonely owls: The relationship between chronotype, mental health, sleep quality, and social support in young adults

Walsh

Repa

Garland

2021

Journal of Sleep Research

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“…People with extreme chronotypes suffer long‐term phase misalignment and therefore tend to be more vulnerable to diseases. As an example, two review papers here in this journal well summarized the association of the circadian chronotype with various mental and neuro‐degenerative disorders [4, 5].…”

Section: Circadian Phase a Key Point For Chronotherapymentioning

confidence: 99%

Go Human! Circadian translational medicine has come of age

Zhang

2020

Brain Science Advances

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“…Moreover, their sleep patterns are often irregular. Differences between M-types and E-types' are not limited to the timing of sleep and waking up but are also associated with a variety of other physiological, psychological and behavioral characteristics (Adan et al 2012), including susceptibility to affective disorders (Gao et al 2019). E-types are more prone to developing depressive disorder (Hidalgo et al 2009;Merikanto et al 2015;Van Den Berg et al 2018), anxiety disorder (Antypa et al 2016), and bipolar disorder (Melo et al 2017), compared to M-types.…”

Section: Introductionmentioning

confidence: 99%

The moderating role of personality traits in the relationship between chronotype and depressive symptoms

Gorgol

Waleriańczyk

Stolarski

2021

Chronobiology International

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Due to the undeniably morning orientation of the social clock, the evening chronotype can be associated with negative consequences, both at the affective and cognitive levels. Evening-oriented individuals are more susceptible to affective disorders, show poorer educational achievements and consume stimulants more often than morning-oriented individuals. However, little is known about potential factors that may attenuate or amplify these negative emotional consequences of the evening preference. Thus, our aim was to examine whether personality traits interplay with chronotype in predicting depressive symptoms. We assessed the Big Five and the Big Two personality traits, morningness-eveningness and depressive symptoms in an online sample of 913 Polish individuals (468 females, 445 males), aged 18-35 (M = 26.34, SD = 5.15). Eveningness, higher neuroticism, lower conscientiousness and lower alpha-stability were associated with higher depressive symptoms. The magnitude of the association between eveningness and depressive symptoms decreased with higher conscientiousness and alpha-stability, as well as with lower neuroticism. In conclusion, high neuroticism, low conscientiousness and low alpha-stability increase the risk of depressive symptoms, particularly among evening chronotypes. The patients' chronotypes and personality traits should be taken into account in both the prevention and diagnostics of depression.

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Chronotypes and affective disorders: A clock for mood?

Cited by 22 publications

References 136 publications

Mindful larks and lonely owls: The relationship between chronotype, mental health, sleep quality, and social support in young adults

Mindful larks and lonely owls: The relationship between chronotype, mental health, sleep quality, and social support in young adults

Go Human! Circadian translational medicine has come of age

The moderating role of personality traits in the relationship between chronotype and depressive symptoms

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