REM Sleep
Rapid eye movement sleep duration in minutes or % of total sleep
Why REM Sleep matters
Critical for memory consolidation, learning, emotional regulation, and brain health. Increases in later sleep cycles.
Reference Range
About 20-25% of total sleep
Sourced reference
About 20-25% of sleep
Targets by source
Each position below is attributed and linked to the document that states it. Several are population percentiles or averages rather than targets; the note says which. How we verify ranges.
- About 20-25% of the nightOura Ring sleep-stage guide (device vendor)Oura sells the ring that reports these stages and estimates them from heart rate, movement and temperature, not brain activity. A typical average, not a clinical target.
What individual experts target
Each target below was checked against its article, most recently on Sep 23, 2026.
- 90 minutes or moreDisclosure: Oura is a sleep tracker in our comparisons; this is its own published target.
Devices that measure this
Devices in our comparisons whose published specs list this metric:
Track Your Sleep Architecture
Monitor REM Sleep with wearables and health tracking devices
Health Disclaimer
This information is for educational purposes only. Consult a healthcare provider for personalized health recommendations.
Last reviewed Sep 23, 2026 · First published Oct 1, 2025