In today's Mayo Clinic News Network Headline with Vivien Williams:
A recent study shows that men and women who keep regular late night hours are at a higher risk of developing health issues than those who go to bed early. Mayo Clinic sleep medicine expert Peter Gay, M.D., says an average of 7 hours of sleep a night is important for good health.
Journalists: Video is available in the downloads. [TRT 1:03] Click here for the script.