REM Sleep
Sleep h duration
Duration of rapid eye movement (REM) sleep in hours.
Detailed Description
Rapid eye movement phase — the dreaming period. Plays a key role in emotional regulation, procedural memory, and creative thinking. Normal range is 20–25% of total sleep. Alcohol and some medications (SSRIs) suppress REM. REM deficit is linked to increased anxiety.
How to Improve
- Full 7–9 hour sleep (REM dominates later cycles)
- Minimize alcohol consumption
- Consistent wake-up time