The amount of deep sleep you need changes with age, with babies and children requiring significantly more. Find out exactly ...

New research points to taking melatonin 3 hours before bedtime but some experts say it is still best to take the supplement ...

While some people -- as noted above -- should generally avoid naps, with the right strategy, most people can savor an afternoon nap and still get quality shut-eye when the world goes dark. Here are ...

Sleep is critical for all sorts of reasons, but a team of international scientists has discovered a new incentive for getting eight hours of sleep every night: it helps the brain to store and learn a ...