Why do so many people have trouble sleeping?

While sleep disorders are common, our modern lifestyles rob many people of rest. Michael Timothy Smith, MA, PhD, director of the Behavioral Sleep Medicine Program at Johns Hopkins University, explains.

Learn how to feel energized after lunch—without coffee.

Do women really need more sleep than men? How much sleep is enough? Find answers to these common sleep health questions.

Follow these tips to create a safer sleep haven.

Learn how sleep loss factors into higher anxiety and depression rates—and what to do about it.

Following these tips may help you get the rest you need.