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A comparison is presented of insomniacs' self-reported sleep pattern and objectively monitored sleep using the Sleep Assessment Device (SAD; Kelley & Lichstein, 1980). Analysis of 110 subject nights revealed modest but significant subjective overestimates of both sleep latency and sleep duration which were accounted for by the demands of the task (i.e., longer time periods are harder to estimate accurately). Correlations between self-report and SAD measures were, however, consistently high, suggesting that self-report may be a valid index of sleep disturbance. Results are discussed with reference to the clinician's task in evaluating sleep complaints. © 1989 Plenum Publishing Corporation.

Original publication

DOI

10.1007/BF00962700

Type

Journal article

Journal

Journal of Psychopathology and Behavioral Assessment

Publication Date

01/03/1989

Volume

11

Pages

71 - 79