Grade B
Rct
Bedroom Temperature and Sleep Stages: Polysomnography Study
Controlled study using polysomnography to examine ambient temperature effects on sleep architecture and quality.
Published 2024
19 views
[STUDY DETAILS]
- Study Type
- Rct
- Quality Grade
- B
- Publication Year
- 2024
- Category
- Sleep & Recovery
Summary
PSG study (n=36) comparing bedroom temps of 16C, 20C, and 24C found 18-20C optimal for sleep efficiency. Higher temps reduced slow-wave and REM sleep by 10-15%.
Key Findings
1. Optimal range 18-20C (64-68F)
2. >24C reduces SWS by 15%
3. REM sleep most temperature-sensitive
4. Individual preferences vary by ~2C