REM sleep

W8MD Health Glossary • Greater NYC

Rapid eye movement, or REM, sleep is a sleep stage associated with vivid dreaming, variable breathing and temporary reduction in skeletal-muscle tone.

W8MD sleep medicine and home sleep study services in NYC
W8MD Weight Loss, Sleep & MedSpa • Brooklyn, New York
Definition

REM sleep — Rapid eye movement, or REM, sleep is a sleep stage associated with vivid dreaming, variable breathing and temporary reduction in skeletal-muscle tone.

Why it matters for sleep and weight

Sleep disorders can affect alertness, cardiovascular health, appetite and weight-management efforts. Symptoms and device data should be interpreted by a qualified clinician.

W8MD Brooklyn

Local, physician-supervised care

W8MD provides medical weight loss, GLP-1 evaluation, sleep medicine, home sleep studies, IV/IM nutrition and medical aesthetic services at 2632 East 21st Street, Suite L3, Brooklyn, NY 11235.

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Related W8MD and encyclopedia resources

Medical disclaimer: This glossary definition is general education, not a diagnosis or individualized treatment recommendation. Do not start, stop or combine medication or supplements without appropriate medical guidance. Call 911 for an emergency. Editorial review: August 2026.