A sleep doctor reveals the optimal time of day to take a nap in order to feel rested and reap the health benefits.

Those driving to work daily and spending more than two hours on the roads are at heightened risk for osteoporosis, according ...

Healthy adults need to get at least seven hours of sleep a night on a regular ... nap when your circadian rhythm dips between noon and 2 p.m. During this period, you can ride the post-lunch ...