Full Sleep Cycles Last 90 to 110 Minutes for Better Rest
A full sleep cycle typically lasts 90 to 110 minutes in healthy adults.
- Typically 90-110 minutes in healthy adults
- Includes three non-REM stages followed by one REM stage
| Metric | Scientific Observation | Impact Magnitude | Source | ||
|---|---|---|---|---|---|
| 90-110 minutes | Progresses through non-REM and REM stages | Supports restorative processes like repair and consolidation | Walker MP, Stickgold R (2023) | ||
| 4-6 cycles per night | Repeats to total 7-9 hours | Optimizes brain health and mood | Walker MP, Stickgold R (2023) | ||
| Cycle-end waking | Minimizes misalignment effects | Reduces grogginess and fatigue | Walker MP, Stickgold R (2023) |