Effects of bright light at lunchtime on sleep in patients in a geriatric hospital II.

Abstract:

:Inpatients with sleep disturbances in a geriatric hospital received 1 h of exposure to approximately 8000 lx bright light per day for 3 weeks. Polysomnogram was recorded for four female patients. Two (aged 68 and 87 years) were non-demented patients with weak cataracts and the other two (aged 92 and 93 years) were demented patients with severe cataracts. Electroencephalogram results showed that light exposure decreased the proportion of Stage W, while increased the proportion of Stage 2, and these effects continued for at least 3 weeks after the cessation of light exposure. These results suggest that exposure to bright light is effective in improving the disturbed sleep of patients.

authors

Fukuda N,Kobayashi R,Kohsaka M,Honma H,Sasamoto Y,Sakakibara S,Koyama E,Nakamura F,Koyama T

doi

10.1046/j.1440-1819.2001.00864.x

subject

Has Abstract

pub_date

2001-06-01 00:00:00

pages

291-3

issue

3

eissn

1323-1316

issn

1440-1819

pii

864

journal_volume

55

pub_type

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