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Sleep is an essential physiological process vital to maintaining overall well-being. The reticular activating system (RAS), a network of neurons in the brainstem, regulates wakefulness and sleep. While it may seem passive, sleep consists of distinct cycles, each with its unique characteristics and functions. Two key sleep phases are non-rapid eye movement (NREM) and  rapid eye movement (REM).
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Updated: Apr 25, 2026

Chronic Sleep Deprivation in Mouse Pups by Means of Gentle Handling
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Sleep disorders in pregnancy.

Dennis Oyiengo1, Mariam Louis2, Beth Hott3

  • 1Pulmonary and Critical Care Fellowship Program, The Warren Alpert Medical School of Brown University, 593 Eddy Street, Providence, RI 02903, USA.

Clinics in Chest Medicine
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Summary

Pregnancy often disrupts sleep due to physiological changes and can worsen or cause sleep disorders. This review covers common sleep issues in pregnant women and their outcomes.

Keywords:
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Area of Science:

  • Perinatal Medicine
  • Sleep Medicine

Background:

  • Sleep disturbances are prevalent during pregnancy.
  • Pregnancy physiology can trigger sleep disruption and new or worsening sleep disorders.
  • The effects of most sleep disorders on pregnancy and neonatal outcomes remain unclear.

Purpose of the Study:

  • To review common sleep disorders in perinatal women.
  • To discuss the impact of these sleep disorders on pregnancy and neonatal outcomes.

Main Methods:

  • Literature review of common sleep disorders in pregnancy.
  • Discussion of available data on sleep disorders and perinatal outcomes.

Main Results:

  • Common sleep disorders include restless legs syndrome, insomnia, circadian rhythm disturbances, narcolepsy, and sleep-disordered breathing.
  • Data on the impact of these conditions on pregnancy, fetal, and neonatal outcomes is limited, except for sleep-disordered breathing.

Conclusions:

  • Sleep disturbances are a significant concern in pregnancy.
  • Further research is needed to understand the full impact of various sleep disorders on maternal-fetal health.