4 surprising facts about sleep

Sleep is an essential recharge for overall physical and mental health.

Every stage of sleep has a crucial role in your body's function.

Getting enough sleep can boost your health and help you live longer.

Learn about weight gain, memory issues, and other potential side effects of missing consistent rest.

Better mood, more beautiful skin, and four other reasons you should make sleep a priority.

You probably knew about the effects of having caffeine late in the day. But what about these other causes of sleeplessness?