How to handle sleepwalking for a better night's sleep

Almost 30% of people sleepwalk at some point. Kevin Soden, MD, explains how sleepwalking is tied to sleep apnea, restless leg syndrome, and stress, and shares tips to keep a sleepwalker safe.

Learn about these common issues that may occur during sleep—and what to do about them.

Jerking and free-falling sensations as you doze off can be uncomfortable.

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

Learn how to feel energized after lunch—without coffee.

Why red blood cells are so important, and how these cells are affected by sickle cell disease.