372 Sleep Hygiene Compliance and Sleep in Young Adult Drinkers with Insomnia: A Daily Analysis

Abstract

Introduction: Empirical evidence linking sleep hygiene practices to subsequent sleep parameters - and the extent to which those compare to evidence-based practices such as stimulus control - is limited. This study examined the daily impact of recommendation compliance on sleep in a sample of young adult drinkers with insomnia. Method(s): Young adults (18-30y; N=56, 75% female) who met diagnostic criteria for insomnia and reported past-month binge drinking wore wrist actigraphy and completed online sleep diaries for 7+ days (492 reports). Diaries assessed compliance with nine sleep hygiene recommendations: to limit naps; limit caffeine; avoid caffeine after 12p; avoid tobacco, alcohol, vigorous exercise, and heavy meals within 2 hours of bedtime; avoid bright light within 30 minutes of bedtime; and utilize a bedtime routine. If participants reported wake after sleep onset, diaries also assessed if they had gotten out of bed and returned to bed only when sleepy (partial stimulus control instructions). Multilevel models examined three outcomes: sleep quality, self-reported sleep efficiency, and actigraphy-measured sleep efficiency (alpha=.05/3