Related Experiment Video

Updated: May 22, 2026

Quantifying Infra-slow Dynamics of Spectral Power and Heart Rate in Sleeping Mice
10:56

Quantifying Infra-slow Dynamics of Spectral Power and Heart Rate in Sleeping Mice

Published on: August 2, 2017

Overview of Sleep and Gender Differences

Chandra M Cherukuri1, Hiral Padia2, Fauziya Hassan3

  • 1Minnesota Regional Sleep Disorders Center, Department of Neurology, Hennepin Healthcare, Minneapolis, MN, USA; Department of Family and Community Medicine, Hennepin Healthcare, Minneapolis, MN, USA.

Sleep Medicine Clinics
|May 20, 2026
PubMed

Keywords:
InsomniaOSASleepWomen

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Socioemotional Experience and Gender Development

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Sleep-Wake Cycles

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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Insufficient sleep refers to not getting the recommended amount of sleep for optimal functioning, even if it's just slightly less than needed. Sleep insufficiency may occur due to lifestyle choices, such as staying up late for social events or work, resulting in routinely getting less sleep than required. For example, consistently sleeping 6 hours when the body needs 7-9 hours can lead to cumulative effects on health and well-being.
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