The relationship of person-specific eveningness chronotype, greater seasonality, and less rhythmicity to suicidal behavior: A literature review

Meredith E. Rumble, Daniel Dickson, William Vaughn McCall, Andrew D. Krystal, Doug Case, Peter B. Rosenquist, Ruth M. Benca

Research output: Contribution to journalReview article

7 Citations (Scopus)

Abstract

Background Epidemiological data have demonstrated seasonal and circadian patterns of suicidal deaths. Several reviews and meta-analyses have confirmed the relationship between sleep disturbance and suicidality. However, these reviews/meta-analyses have not focused on seasonal and circadian dysfunction in relation to suicidality, despite the common presence of this dysfunction in patients with mood disorders. Thus, the current literature review analyzed studies investigating person-specific chronotype, seasonality, and rhythmicity in relation to suicidal thoughts and behaviors. Methods Study authors reviewed articles related to individual-level chronotype, seasonality, and rhythmicity and suicidality that were written in English and not case reports or reviews. Results This review supports a relationship between an eveningness chronotype, greater seasonality, and decreased rhythmicity with suicidal thoughts and behaviors in those with unipolar depression, as well as in other psychiatric disorders and in children/adolescents. Limitations These findings need to be explored more fully in mood disordered populations and other psychiatric populations, in both adults and children, with objective measurement such as actigraphy, and with chronotype, seasonality, and rhythmicity as well as broader sleep disturbance measurement all included so the construct(s) most strongly linked to suicidality can be best identified. Conclusions Eveningness, greater seasonality, and less rhythmicity should be considered in individuals who may be at risk for suicidal thoughts and behaviors and may be helpful in further tailoring assessment and treatment to improve patient outcome.

Original languageEnglish (US)
Pages (from-to)721-730
Number of pages10
JournalJournal of Affective Disorders
Volume227
DOIs
StatePublished - Feb 1 2018

Fingerprint

Periodicity
Psychiatry
Meta-Analysis
Sleep
Actigraphy
Depressive Disorder
Mood Disorders
Population

Keywords

  • Chronotype
  • Eveningness
  • Rhythmicity
  • Seasonality
  • Suicidal thoughts and behaviors

ASJC Scopus subject areas

  • Clinical Psychology
  • Psychiatry and Mental health

Cite this

The relationship of person-specific eveningness chronotype, greater seasonality, and less rhythmicity to suicidal behavior : A literature review. / Rumble, Meredith E.; Dickson, Daniel; McCall, William Vaughn; Krystal, Andrew D.; Case, Doug; Rosenquist, Peter B.; Benca, Ruth M.

In: Journal of Affective Disorders, Vol. 227, 01.02.2018, p. 721-730.

Research output: Contribution to journalReview article

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AB - Background Epidemiological data have demonstrated seasonal and circadian patterns of suicidal deaths. Several reviews and meta-analyses have confirmed the relationship between sleep disturbance and suicidality. However, these reviews/meta-analyses have not focused on seasonal and circadian dysfunction in relation to suicidality, despite the common presence of this dysfunction in patients with mood disorders. Thus, the current literature review analyzed studies investigating person-specific chronotype, seasonality, and rhythmicity in relation to suicidal thoughts and behaviors. Methods Study authors reviewed articles related to individual-level chronotype, seasonality, and rhythmicity and suicidality that were written in English and not case reports or reviews. Results This review supports a relationship between an eveningness chronotype, greater seasonality, and decreased rhythmicity with suicidal thoughts and behaviors in those with unipolar depression, as well as in other psychiatric disorders and in children/adolescents. Limitations These findings need to be explored more fully in mood disordered populations and other psychiatric populations, in both adults and children, with objective measurement such as actigraphy, and with chronotype, seasonality, and rhythmicity as well as broader sleep disturbance measurement all included so the construct(s) most strongly linked to suicidality can be best identified. Conclusions Eveningness, greater seasonality, and less rhythmicity should be considered in individuals who may be at risk for suicidal thoughts and behaviors and may be helpful in further tailoring assessment and treatment to improve patient outcome.

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