A brief discussion of sleep, why we need it, what happens when we sleep, and sleep disorders.
- ISBN10 0836808061
- ISBN13 9780836808063
- Publish Date 1 September 1997
- Publish Status Active
- Out of Print 11 December 2011
- Publish Country US
- Imprint Gareth Stevens Inc,US
- Format Hardcover
- Pages 24
- Language English