Sleeping is as necessary as food andwater for a person to survive and thrive, and kids need to know more about it.

While experts still don't have all theanswers, one fact they do know for certain is that sleep is not only important,it is essential to life! Physical, mental, and emotional health are allimpacted by sleep.

The world of sleep is filled with manyunanswered questions and mysteries. While the exact physiological roles ofsleep are still uncertain, researchers are confident that the body does a lotof valuable work while sleeping.

Sleepoutlines everything we know about sleep in clear...and sometimes humorous...languageperfect for young readers.

Topics covered include...

• thefour stages of sleep (including REM sleep and Deep Sleep), their purposes, andwhat happens to the body during each

• sleepdisorders, such as sleep apnea and narcolepsy

• howvarious animals sleep

• wherepeople sleep and the types of bedding used throughout the world

and more...