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Psychol Aging. 2001 Jun;16(2):264-71.

Primary versus secondary insomnia in older adults: subjective sleep and daytime functioning.

Author information

1
Department of Psychology, The University of Memphis, Tennessee 38152-3230, USA. lichstein@mail.psyc.memphis.edu

Abstract

Most psychological research on insomnia has centered on primary insomnia (PI). Secondary insomnia (SI), though more common than PI, has received little attention because of its presumed unresponsiveness to treatment. The present study recruited older adults with PI, SI, and a comparison group of older adults with no insomnia (NI). Self-report assessments of sleep revealed no significant difference between the 2 insomnia groups. Daytime functioning measures found significant differences in impairment between the 3 groups with SI having the worst daytime functioning, followed by PI, which was worse than NI. Further analyses found substantial independence between sleep and daytime functioning. Implications of these findings for the clinical management of SI are discussed.

PMID:
11405314
[Indexed for MEDLINE]

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