Counting sheep! why do we sleep? /   written by Janice Lobb ;  
illustrated by Peter Utton and Ann Savage. 
 - London :   Kingfisher Publication,  c2001.   
 - 32 p. : col. ill. 
 -  at home with science   .
<br/><br/> Includes index and glossary <br/> 
<br/><br/><label>Subjects--Topical Terms: </label>
<br/><br/><label>Dewey Class. No.: </label>CIR 507.8 L782csh 2001