Evidence map›Paper›PMID 36033630›Full record

ReviewFrontiers in neuroscience2022

Chronotype, circadian rhythm, and psychiatric disorders: Recent evidence and potential mechanisms.

Haowen Zou, Hongliang Zhou, Rui Yan, Zhijian Yao, Qing Lu

Abstract readReview
In one paragraph

Review in Frontiers in neuroscience, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 120 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
120citing papers in PubMed, 2 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

120 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Pooled it
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  3. An examination of chronotype associations with symptoms of depression, PTSD, and sleep disturbances in US military veterans.Journal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine · 2026
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60 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

5 authors.

Haowen ZouNanjing Brain Hospital, Medical School, Nanjing University, Nanjing, China.
Hongliang ZhouDepartment of Psychiatry, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, China.
Rui YanNanjing Brain Hospital, Medical School, Nanjing University, Nanjing, China.
Zhijian YaoNanjing Brain Hospital, Medical School, Nanjing University, Nanjing, China.
Qing LuSchool of Biological Sciences and Medical Engineering, Southeast University, Nanjing, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The circadian rhythm is crucial for physiological and behavioral functions. Chronotype, which represents individual preferences for activity and performance, is associated with human health issues, particularly psychiatric disorders. This narrative review, which focuses on the relationship between chronotype and mental disorders, provides an insight into the potential mechanism. Recent evidence indicates that (1) the evening chronotype is a risk factor for depressive disorders and substance use disorders, whereas the morning chronotype is a protective factor. (2) Evening chronotype individuals with bipolar disorder tend to have more severe symptoms and comorbidities. (3) The evening chronotype is only related to anxiety symptoms. (4) The relationship between chronotype and schizophrenia remains unclear, despite increasing evidence on their link. (5) The evening chronotype is significantly associated with eating disorders, with the majority of studies have focused on binge eating disorders. Furthermore, the underlying mechanisms or influence factors are described in detail, including clock genes, brain characteristics, neuroendocrinology, the light/dark cycle, social factors, psychological factors, and sleep disorders. These findings provide the latest evidence on chronotypes and psychiatric disorders and serve as a valuable reference for researchers.

Indexed as

chronotypecircadian rhythmdepressionpsychiatric disorderssleep disorder

Identifiers

PMID36033630
PMCPMC9399511

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.