Disrupted circadian rhythms and mental health

Jul 6, 2021Handbook of clinical neurology

How Disturbed Body Clocks Are Linked to Mental Health

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Abstract

Circadian rhythms are internal cycles of approximately 24 hours that influence daily physiological and behavioral patterns.

  • Circadian rhythms are synchronized with the external environment mainly through the light-dark cycle.
  • Disruption of these rhythms may lead to negative health outcomes, particularly related to mental health.
  • Evidence suggests strong associations between circadian disruption and various psychiatric illnesses, including anxiety, major depressive disorder, bipolar disorder, and schizophrenia.
  • Animal models of disrupted circadian rhythms support the idea that such disruptions can affect emotional responses.
  • Future research is needed to further explore the connections between circadian rhythm disruption and mood regulation.

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