What happens when we sleep?
By: By Patricia Mulrooney Eldred ; ill. by Sandra Higashi.
Publisher: Creative Education
Published: 1982
Place of publication: Mankato, Minn
Language: eng
Number of pages: 32
Subjects: Sleep -- Juvenile literature.; Sleep.
Description: Briefly describes how an electroencephalograph is used to study sleep and the stages of sleep that everyone follows.