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Under conditions of moderate alcohol consumption where blood alcohol levels average 0.06–0.08% and decrease 0.01–0.02% per hour, an alcohol clearance rate of 4–5 hours would coincide with disruptions in sleep maintenance in the second half of an 8-hour sleep episode. [3]
“Alcohol consumption disrupts restorative sleep and can result in impaired immune, cardiovascular, and cognitive health. Furthermore, insomnia increases your risk for mood disorders and ...
Research shows that even having just two drinks before bed can disrupt your sleep. Specifically, the study found that drinking alcohol delayed and shortened REM sleep, one of the sleep phases.
The long-term impact of alcohol on the brain has become a growing area of research focus. While researchers have found that moderate alcohol consumption in older adults is associated with better cognition and well-being than abstinence, [1] excessive alcohol consumption is associated with widespread and significant brain lesions.
Alcohol can also affect REM sleep; it suppresses it during the first half of the night, leading to a rebound four to five hours after sleep onset. [4] Although alcohol can decrease the amount of time it takes to fall asleep, it will cause a disruption in the sleep cycles. REM sleep is decreased during the first half of the sleep period and ...
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Under conditions of moderate alcohol consumption where blood alcohol levels average 0.06–0.08 percent and decrease 0.01–0.02 percent per hour, an alcohol clearance rate of 4–5 hours would coincide with disruptions in sleep maintenance in the second half of an 8-hour sleep episode.
Alcohol use decreases REM sleep, so a student who consumes alcohol may sleep for the normal 7–8 hours, but the sleep quality will be lower than an individual who was sober. [ 30 ] [ 32 ] Additionally, consumption of alcohol can increase the chances of developing obstructive sleep apnea. [ 8 ]