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More Than One Wind-Down Drink

Sure, having a glass of wine in the evening can help you fall asleep more quickly. But drink more, and you may sleep fitfully and wake up feeling not quite rested. A review of 20 studies found that imbibing too much can interrupt REM sleep, which is vital for concentration. Another reason for women to reconsider a second glass of wine: A 2011 study found that women are more likely than men to toss and turn after too many drinks.