Lifetime prevalence, incidence, and risk factors for parasomnias were determined. Past experiences of non-REM, REM, and sleep-transition parasomnias were recorded. Diaries of night sleep duration, parasomnias, perception of aliens, levels of physical activity, headaches and intake of all substances,
BACKGROUND
There is little epidemiological or clinical information on the relation between smoking and sleep disturbance, despite evidence suggestive of a relationship. The present study tested the hypothesis that cigarette smoking is associated with sleep disturbance.
METHODS
Survey data from 3,516