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.
journal_name
Psychiatry Clin Neuroscijournal_title
Psychiatry and clinical neurosciencesauthors
Fukuda N,Kobayashi R,Kohsaka M,Honma H,Sasamoto Y,Sakakibara S,Koyama E,Nakamura F,Koyama Tdoi
10.1046/j.1440-1819.2001.00864.xsubject
Has Abstractpub_date
2001-06-01 00:00:00pages
291-3issue
3eissn
1323-1316issn
1440-1819pii
864journal_volume
55pub_type
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