ScienceDaily (2011-02-15) — Researchers have known for decades that alcohol can initially deepen sleep during the early part of the night but then disrupt sleep during the latter part of the night; this is called a “rebound effect.” A new study of the influence of gender and family history of alcoholism on sleep has found that intoxication can increase feelings of sleepiness while at the same time disrupt actual sleep measures in healthy women more than in healthy men.
http://www.sciencedaily.com/releases/2011/02/110215164258.htm
