June 21, 2011
Keeping your head cool when it's time to go to sleep appears to help those with insomnia.
Researchers at the University of Pittsburgh outfitted twelve insomnia patients with a temperature controlled cap.
They slept two nights without the cap, two nights wearing it set at a neutral temperature, and two nights set at a cooler temperature.
Three-quarters said the cap helped them sleep better when set at the coolest temperature.
Study authors say further research in larger studies is needed to confirm their results.