sleep duration

Just like diet and exercise, sleep is unique to each person and important for optimal health. Sleep Number® beds adjust on
Regularly logging more than nine hours of sleep a night may be a sign of an underlying medical condition, but it also puts
If you're simply not sure, he suggests doing a little home experiment. Start with the midpoint of the sleep duration range
On a smaller scale, sleep researchers at Northwestern University Feinberg School of Medicine in Chicago analyzed the sleep
Researchers have found a genetic mutation in two people who need far less sleep than average, a discovery that might open