0159 Sleep-wake stability and variability in the middle-aged adult population: a UK Biobank study-V45IS1 0159 Sleep-wake stability and variability in the middle-aged adult population: a UK Biobank study-V45IS1 Download 0158 Risk perception, outcome expectancy, and treatment self-efficacy among women and men with obstructive sleep apnea (OSA)-V45IS1 0160 Sleep and high body mass index in adolescents: Ethnicity and socioeconomic status as moderators-V45IS1