Nemurigaku nyūmon
Subtitle: yoku nemuri yoku ikiru tame no 16-shō
By: Kōyama Jun
Edition: Shohan
Publisher: Shin'yōsha
Published: 2010
Place of publication: Tōkyō
Language: jpn
Number of pages: 190
ISBN-13: 9784788511903
Subjects: Sleep; Health aspects
Notes: Includes bibliographical references (p. 189-190).