The complete book of sleeping: Now you can sleep 15, 20, 25 hours--every single day--and still make the most of your waking hours

by David Levin and Morgan Gendel

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• Format: Paperback
• Language: English
• ISBN: 0943392381
• ISBN13: 9780943392387
• Release Date: January 1984
• Publisher: Tribeca Communications
• Length: 95 Pages