No clue: depends on what you mean by "a couple." If truly 2 standard drinks, there is no reason. If it's actually more, insomnia can occur in those who are drinking to help themselves sleep (rebound insomnia), and twitching lip can be part of the tremor that occurs in heavier drinkers when they stop. Again, if secondary to literally a "couple" of drinks, I have no idea, and you should see your doctor.
Answered 9/17/2015
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