Pre-sleep drinking disrupts sleep

For individuals who drink before sleeping, alcohol initially acts as a sedative — marked by the delta frequency electroencephalogram (EEG) activity of Slow Wave Sleep (SWS) — but is later associated with sleep disruption. A study of the effects of alcohol on sleep EEG power spectra in college students has found that pre-sleep drinking not only causes an initial increase in SWS-related delta power but also causes an increase in frontal alpha power, which is thought to reflect disturbed sleep. —> Read More Here


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