Models are adjusted for age, marital status, educational attainment, occupational class, household income, smoking status, alcohol consumption, physical activity, self-rated health status, hypertension, diabetes, heart disease, cancer, and depressive symptoms. Overall models are additionally adjusted for race/ethnicity. Analyses of short sleep duration excluded those who reported >9 hours of sleep. Analyses of long sleep duration excluded those who reported <7 hours of sleep. Analyses of sleep medication use included fewer than 50 participants in a cell of the crosstab between pregnancy status and the sleep outcome.