Will alcohol cause sleep disturbances?

Yes: People often get tempted to use alcohol to get them to sleep. After a period of repeated use it rebounds on you and no longer works.

Alcohol and sleep: Although alcohol is a CNS depressant and can make you feel sleepy, what goes down must come up, so your brain becomes more activated again and sleep is fragmented. the more you drink and the closer to sleep you drink the more likely it will disrupt your sleep. Try to not drink within 2-3 hours of sleep and minimize the amount you drink. More than 2 drinks per day for a man is likely to impair heal