The Sentinel Sleep Theory: Unweaving The Biological Function of REM Sleep

• REM sleep's primary function is to reduce the vulnerability caused by N-REM sleep. • REM sleep parameters are directly related to the body’s protection or vulnerability. • REM sleep is cyclic due to its protective function. • REM sleep probably emerged as a brief awakening from N-REM sleep. • REM density is a measure of the organism’s alertness.

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Publication Details

Journal
Sleep Medicine X
Published
2026-04-01
DOI
https://doi.org/10.1016/j.sleepx.2026.100186
Primary Topic
Sleep and Wakefulness Research
Type
article
Field-Weighted Citation Impact
0.00
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article

The Sentinel Sleep Theory: Unweaving The Biological Function of REM Sleep

Raffael Brito Spinassi
Sleep Medicine X
Sleep and Wakefulness Research
article

The Sentinel Sleep Theory: Unweaving The Biological Function of REM Sleep

Raffael Brito Spinassi
article en

Abstract

• REM sleep's primary function is to reduce the vulnerability caused by N-REM sleep. • REM sleep parameters are directly related to the body’s protection or vulnerability. • REM sleep is cyclic due to its protective function. • REM sleep probably emerged as a brief awakening from N-REM sleep. • REM density is a measure of the organism’s alertness.

Sleep Medicine X
Instituto de Infectologia Emílio Ribas (BR), Plantech (Brazil) (BR)
Openalex Percentile: Top 20%
Sleep and Wakefulness Research
DOIOpen Access PDFOpenAlex
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