A scale for assessing sleep hygiene: preliminary data.

No reliable measure exists for assessing the nature and scope of adherence or nonadherence to effective sleep hygiene practices. This report details the creation and empirical validation of the Sleep Hygiene Self-test. 52 combat veterans, patients in a treatment program for PTSD, completed the 30-item self-test prior to and after their participation in 5 wks. of group therapy for sleep hygiene. Analysis indicated good internal consistency and suitability as a pre-posttest measure.