Did you know that alcohol can disrupt sleep?

It is well known that a few drinks can cause drowsiness. What many people don’t know, however, is that alcohol has a very harmful effect on the quality of sleep, as this substance interferes with the brain’s normal sleep cycles.

It is well known that a few drinks can cause drowsiness. What many people don’t know, however, is that alcohol has a very harmful effect on the quality of sleep, as this substance interferes with the brain’s normal sleep cycles.

In a survey of over 2,000 drinkers, half of the respondents reported fatigue the day after drinking more than the recommended daily limit. And yet, nearly three out of five participants were unaware that their sleep problems could be caused by drinking too much alcohol.

Among other findings, many of the persons questioned did not know that the dehydration caused by alcohol could interfere with their sleep. Alcohol decreases the brain’s secretion of vasopressin, a hormone that stimulates the kidneys’ reabsorption of water. Without the signal sent by vasopressin, water is not reabsorbed and makes its way to the bladder, which leads to more frequent trips to the toilet. This increased loss of water can also cause the headaches often associated with hangovers.

Alcohol also affects the REM stage of sleep, which is considered the most regenerative sleep of the night. After drinking, the body tends to fall into a deep sleep right away and only enters the REM stage once the alcohol has been metabolized. This is why many drinkers wake up tired the next day, with the impression that they have slept very poorly.

In other words, even though alcohol seems to help us fall asleep, it is actually very disruptive to the quality of our sleep. It is therefore important to drink in moderation: it is recommended that men drink no more than two alcoholic beverages per day, and that women limit themselves to one.

If you have any questions on this topic, don’t hesitate to speak to your doctor or pharmacist.

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