Royston, Angela,

Why do I sleep? / Angela Royston. - Collingwood, Ont. : Saunders Book Company, c2011. - 24 p. : col. ill. ; 24 cm. - My Body. .

Includes index.

Why do you sleep? -- What happens when you sleep? -- Dreams -- A good night's sleep -- Getting ready for bed -- Waking up at night -- Too little sleep -- Sleeping during the day -- Resting and relaxing.

ISBN: 9781595669742 (hardcover) 1595669744 (hardcover) 9781770920019 (pbk.)

LCCN: 2009015226

Subjects--Topical Terms:
Sleep.

LC Class. No.: QP425 / .R59 2009

Dewey Class. No.: 612.8/21