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Am J Geriatr Psychiatry. 2005 May;13(5):420-3.

Bright-light treatment reduces actigraphic-measured daytime sleep in nursing home patients with dementia: a pilot study.

Author information

  • 1Dept. of Public Health and Primary Health Care, Section for General Practice, University of Bergen, Kalfarveien 31, 5018 Bergen, Norway. Arne.Fetveit@isf.uib.no

Abstract

OBJECTIVE:

The authors evaluated the effects of bright-light therapy on daytime sleep among nursing home patients with dementia.

METHODS:

Eleven patients with sleep/wake disturbances received 2 hours/day of morning bright-light exposure for 2 weeks. Sleep was measured with actigraphy and nursing staff diaries.

RESULTS:

Daytime sleep decreased significantly in the period from rising time to 3:00 P.M. with bright-light treatment. Treatment effects did not last into the 16-week post-treatment period.

CONCLUSIONS:

Bright light exposure was effective in reducing daytime sleep in nursing home patients with dementia; this finding is possibly related to bright light's acute alerting effects.

PMID:
15879592
DOI:
10.1176/appi.ajgp.13.5.420
[PubMed - indexed for MEDLINE]
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