10-Factor Score · Cycle Analysis · Improvement Tips
| Stage | Duration | Purpose |
|---|---|---|
| NREM 1 (Light) | 5-10 min | Transition to sleep |
| NREM 2 | 20 min | Memory consolidation |
| NREM 3 (Deep) | 20-40 min | Physical restoration |
| REM | 10-60 min | Brain processing, dreams |
1 full cycle ≈ 90 minutes. Optimal = 5-6 full cycles per night.
⚕️ This sleep assessment is a screening tool and not a clinical diagnosis. If you regularly experience poor sleep, excessive daytime sleepiness, or suspect a sleep disorder (apnea, insomnia, restless legs), please consult a sleep medicine specialist.