Effects of short duration morning bright light in healthy elderly. II: sleep and motor activity.

Abstract:

:Subjective sleep feelings and motor activity were measured in seven healthy elderly subjects for 6 days. The subjects were exposed to bright light (6000 lux) for 30 min in the morning or instructed to sit in front of a desktop lighting device without light. The average level of motor activity during the night was significantly decreased in the bright light condition, compared with the controlled condition. However, daytime motor activity did not show significant differences between the two conditions. From these findings, even a short duration of morning bright light is effective in maintaining sleep without changing daytime activity.

authors

Kohsaka M,Fukuda N,Kobayashi R,Honma H,Sakakibara S,Koyama E,Nakano O,Matsubara H

doi

10.1111/j.1440-1819.1998.tb01059.x

subject

Has Abstract

pub_date

1998-04-01 00:00:00

pages

252-3

issue

2

eissn

1323-1316

issn

1440-1819

journal_volume

52

pub_type

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