Abstract
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.
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This research stury was supported by a grant from the Research Fund of Lanarkshire Health Board, Scotland.
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Espie, C.A., Lindsay, W.R. & Espie, L.C. Use of the Sleep Assessment Device (Kelley and Lichstein, 1980) to validate insomniacs' self-report of sleep pattern. J Psychopathol Behav Assess 11, 71–79 (1989). https://doi.org/10.1007/BF00962700
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DOI: https://doi.org/10.1007/BF00962700