Occasional moderate drinking may help sleep, but long or heavy drinking can cause insomnia. Because ethanol has certain sedative and hypnotic effects, it is short-lived and disappears in about 3 to 4 hours. After the hypnotic effect disappears, there will be symptoms of sympathetic nerve activity such as rebound rebound, shortness of breath and rapid sympathetic symptoms. It is easy to wake up and even insomnia. And long-term heavy drinking will increase the body's tolerance to ethanol, need to constantly increase the amount of alcohol in order to achieve a short-lived hypnotic effect, followed by a more serious insomnia. There are many ways to hypnosis, drinking can not fundamentally solve the problem of insomnia.
Drinking alcohol before bedtime can significantly increase sleep snoring and apnea. Occurrence of sleep apnea is mainly due to the decreased activity of the upper airway dilator muscles during sleep, which does not guarantee the smoothness of the upper airway, resulting in obstruction of the upper airway and the inability to perform normal breathing. Alcohol can promote the occurrence of apnea from multiple aspects. For example, alcohol can inhibit nerves and reduce the activity of upper airway dilator muscles. After apnea, the patient's blood oxygen content decreased, carbon dioxide levels increased, this change can increase the upper airway dilator muscle activity. Alcohol, on the other hand, reduces the responsiveness of upper airway dilator muscles to hypoxia and hypercapnia, thereby promoting obstruction of the upper airways. Sleep apnea patients often experience wake-ups. In fact, this is a protective effect for the patient, because after awakening, he can stop apnea and resume normal breathing. Alcohol can increase the threshold of arousal response, inhibit wakefulness, and prolong apnea time. Clinical observations have also shown that drunkenness causes apneas in people with simple snoring and aggravates the condition of apnea patients.
In addition, alcoholism can also cause apneas in non-snorers and apneas. Therefore, abstinence is one of the positive measures that sleep apnea patients should take. For alcoholics, at the very least, limit the amount of alcohol you drink, or drink only a small amount of beer. At the same time, ensure that you do not drink alcohol within 4 to 6 hours before bedtime.
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