Sleep cycles repeat approximately every 90 minutes. Waking up at the end of a cycle helps you feel more refreshed.
A sleep cycle lasts about 90 minutes and consists of light sleep, deep sleep, and REM sleep stages. Waking at the end of a cycle helps you feel less tired.
The transition into sleep. Heart rate and breathing slow down.
Physical recovery occurs. Waking during this stage causes grogginess.
The dreaming stage. Important for memory consolidation and learning.
Click a time to set an alarm
| Sleep Cycles | Duration | Sleep Quality |
|---|---|---|
| 4 cycles | 6 hrs | Minimum |
| 5 cycles | 7.5 hrs | Good |
| 6 cycles | 9 hrs | Optimal |
A sleep cycle is the pattern your body goes through during sleep, consisting of light sleep, deep sleep, and REM (Rapid Eye Movement) sleep. Each cycle takes approximately 90 minutes. Waking up at the end of a cycle helps you feel more refreshed.
1. Select either bedtime or wake time mode. 2. Enter your desired time. 3. It takes about 14 minutes to fall asleep on average. 4. Check the recommended times aligned with complete sleep cycles.
For optimal rest, aim for 5-6 complete sleep cycles (7.5-9 hours). Avoid caffeine 6 hours before bedtime. Keep your room dark and cool for better sleep quality.