Why Do You Drool When You Sleep?

Cadrene Heslop

Sleep is one of the best activities you can do for your body.

Everyone needs sleep. But according to research, most people do not need 8 hours of rest.

REM (rapid-eye movement) sleep provides higher quality rest than other sleep stages. So, you are more relaxed when you awake. You may also drool during your nap which reflects how comfortable you were.

Drooling and other side effects hint at the quality of your sleep.

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Are there other reasons people drool?

Yes. One of the primary reasons for opening your mouth while asleep is breathing problems.

These issues occur because of either nasal congestion or excessive salivation. A symptom of nasal congestion is snoring and sleep apnea. But excessive salivation (sialorrhea) relates to heartburn and gastroesophageal reflux disease.

In general, it is not necessary to treat drooling that happens while you sleep.

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How much REM sleep is healthy, according to research?

REM takes up 20-25% of rest cycles for adults and 50% for infants. People often enter REM sleep within the first 90 minutes of falling asleep. Rest periods repeat, so it is normal to experience REM several times.

This sleep cycle is a healthy average. If your REM cycle lasts longer, you may have depression.

During REM, you tend to have vivid dreams. Thus, your eyes move fast in several directions, but you do not see any visuals.

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Why is REM sleep essential?

This sleep cycle stimulates brain areas needed for learning and making memories.

It is also the deepest stage of rest. Of the 7-9 hours spent asleep, 13-23% of it should be deep to wake up rested.

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*Medical Advice Disclaimer: This information, including but not limited to text, graphics, images, and other material contained in this article are for informational purposes only. No material in this article is intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health care provider with any questions you may have regarding a medical condition or treatment and before undertaking a new health care regimen, and never disregard professional medical advice or delay in seeking it because of something you have read on this website.*

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