



HuffPost rounds up addiction specialists explaining why alcohol hits harder with age: the brain grows more sensitive to its sedating effects, lean muscle mass declines starting around 30, and less body water is left to dilute what you drink. The result, according to several doctors quoted, is that older drinkers feel sleepier faster but sleep worse, since alcohol suppresses REM and deep sleep that's already more fragile with age.
One psychiatrist notes that patients often report sleeping a full night yet waking exhausted, since unconsciousness from alcohol isn't the same as restorative sleep.
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