How Much Sleep Do You Need?

Skipping hours of sleep can take a big toll on your health. Find out how much sleep you need at different stages of development to stay healthy and active.

How Much Sleep Do You Need Each Night? - Restonic

How Much Sleep Do You Need By Age?

Sleep Calculator: How Much Sleep Do I Need?

How Much Sleep Do You Need? - Amerisleep

How Much Sleep You Should Be Getting Based On Your Age

How to Know How Much Sleep You Need: 15 Steps (with Pictures)

How much sleep do you need? A neuroscientist crunches the numbers

How Much Sleep Do You Need?

How much sleep do we really need?

In U.S., 40% Get Less Than Recommended Amount of Sleep