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Behav Sleep Med. 2008;6(4):220-33. doi: 10.1080/15402000802371338.

Bedtime activities, sleep environment, and sleep/wake patterns of Japanese elementary school children.

Author information

1
Japan Somnology Center, Neuropsychiatric Research Institute, Tokyo, Japan. oka@somnology.com

Abstract

Bedtime activities, sleep environment, and their impact on sleep/wake patterns were assessed in 509 elementary school children (6-12 years of age; 252 males and 257 females). Television viewing, playing video games, and surfing the Internet had negative impact on sleep/wake parameters. Moreover, presence of a television set or video game in the child's bedroom increased their activity before bedtime. Time to return home later than 8 p.m. from after-school activity also had a negative impact on sleep/wake patterns. Health care practitioners should be aware of the potential negative impact of television, video games, and the Internet before bedtime, and also the possibility that late after-school activity can disturb sleep/wake patterns.

PMID:
18853306
DOI:
10.1080/15402000802371338
[Indexed for MEDLINE]
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