Description
A cool bedroom environment plays a major role in how well you sleep and recover. By lowering the temperature of your room and bedding, you help your body enter a more relaxed state, fall asleep faster, and enjoy deeper rest. This simple habit also supports physical recovery, reduces overheating, and improves comfort throughout the night.
Time Commitment
2–5 minutes
Suggested Frequency
Daily, especially during warmer seasons or after physical activity.
Time of Day
Evening (30–60 minutes before bedtime)
How to Do It
- Set Room Temperature to 60–67°F (15–19°C): This is the optimal sleep range for most people.
- Switch to Lightweight Bedding: Avoid heavy comforters that trap heat.
- Improve Airflow: Use a fan, open a window, or run your AC before bed.
- Try a Cooling Pad or Pillow: Optional tools to help regulate body heat.
- Adjust Sleepwear: Wear moisture-wicking or breathable clothes.
- Make It Routine: Cool down your bedroom 30–60 minutes before bed each night.
Required Equipment
- Fan or Air Conditioner: To circulate cool air effectively.
- Light, Breathable Bedding: Cotton or moisture-wicking sheets are ideal.
- Optional: Cooling Mattress Pad or Pillow: Adds extra temperature regulation.
- Optional: Thermometer: To keep track of optimal room temperature.
Benefits
- Improves Sleep Quality: Helps you fall asleep faster and stay asleep longer.
- Enhances Physical Recovery: Cooler temperatures support muscle repair and hormone regulation.
- Reduces Night Sweats & Overheating: Prevents rest disruptions caused by excess heat.
- Promotes Relaxation: Signals your body that it’s time to wind down.
- Supports Natural Temperature Cycles: Aligns with your body’s circadian rhythm for better rest.
Why it works
Your body naturally lowers its core temperature to initiate sleep. A cool environment supports this process, helping you fall asleep faster and stay asleep longer. It also promotes better sleep cycles, reduces physical discomfort, and enhances overnight recovery by improving thermoregulation and reducing stress on the body.
Possible Side Effects
- Feeling Too Cold: May take time to find the right balance.
- Initial Adjustment: Cooler bedding may feel unfamiliar at first.
Tips
- Layer Bedding Strategically: Start cool and add layers if needed.
- Test Temperature Settings: Experiment to find what feels best for you.
- Combine with a Wind-Down Routine: Enhances the effect when paired with habits like journaling or mindfulness.
Supporting Studies and Articles
- Bedroom Temperature and Sleep
Okamoto-Mizuno, K., & Mizuno, K. (2012). "Effects of thermal environment on sleep and circadian rhythm." Journal of Physiological Anthropology, 31(1), 14.
Sleeping in cooler temperatures improves sleep onset and reduces nighttime awakenings.
Sleeping in cooler temperatures improves sleep onset and reduces nighttime awakenings.
- Temperature and Sleep Efficiency
Murphy, P. J., & Campbell, S. S. (1997). "Nighttime drop in body temperature: A marker for healthy sleep regulation." Chronobiology International, 14(5), 527–537.
Cooler environments help regulate core body temperature for more efficient sleep.
Cooler environments help regulate core body temperature for more efficient sleep.
