Does Sleeping in the Cold Help Your Immune System?

Sleeping in a cold room may also fight the aging process. More anti-aging hormones, known as melatonin, are reportedly released from the body in a cold room than in warmer temperatures. The antioxidant fights off inflammation and strengthens the human immune system.

Is sleeping in the cold healthier?

Being in a comfortable environment is essential for healthy sleep. Keeping your sleeping quarters at a temperature near 65°F (18.3°C), give or take a few degrees, is ideal. Your body's temperature decreases during sleep, and a cool, but not cold, room will help you settle into and maintain sleep throughout the night.

Does being in the cold lower your immune system?

Some of this may have to do with a few infectious organisms, like flu viruses, thriving in colder temperatures, but there's also evidence that exposure to cold temperatures suppresses the immune system, so the opportunities for infection increase.