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What causes drooling during sleep?

Nov 25, 2024 Source: Cainiu Health
Dr. Liu Chao
Introduction
In general, drooling during sleep may be caused by improper sleeping posture, deep sleep, weakened autonomous swallowing reflex, dental malformation, or gingivitis, and appropriate management should be implemented according to the specific situation. It is recommended in daily life to maintain good oral hygiene, thoroughly brush teeth in the morning and evening, and rinse the mouth after meals, which helps prevent abnormal salivation caused by dental caries and periodontal disease.

Generally, drooling during sleep may be caused by improper sleeping posture, deep sleep, weakened autonomic swallowing reflex, dental malformation, or gingivitis, and management depends on the specific situation.

1. Improper sleeping posture: Sleeping on one's side or stomach may cause saliva secreted by the salivary glands to be difficult to swallow, leading to drooling from the mouth. It is recommended to adjust the sleeping posture to supine (lying on the back), using a suitable pillow to support the head and neck and reduce the chance of saliva leakage.

2. Deep sleep: During deep sleep, muscle tone throughout the body decreases, including muscles of the mouth and throat, which may lead to a weakened swallowing reflex. As a result, saliva may accumulate in the mouth and eventually leak from the corners of the mouth. It is recommended to improve the sleep environment and ensure sleep quality to reduce drooling during deep sleep.

3. Weakened autonomic swallowing reflex: A weakened autonomic swallowing reflex prevents saliva from being swallowed in a timely manner. With increasing age, some individuals may experience a decline in this reflex, which can easily lead to drooling during sleep. Generally, no specific treatment is required. It is recommended to reduce drooling by changing sleeping positions or improving sleep quality.

4. Dental malformation: Dental malformation may prevent the lips from fully covering the front teeth, making it difficult for the mouth to close completely during sleep and resulting in drooling. It is recommended to undergo orthodontic treatment under a doctor's guidance, such as wearing braces to align the teeth properly and improve drooling.

5. Gingivitis: Gingivitis can damage the oral mucosa, stimulating the salivary glands to secrete more saliva to protect the affected areas. It is recommended to use medications such as minocycline hydrochloride capsules, tinidazole capsules, and ibuprofen sustained-release capsules under a doctor's guidance for treatment.

In daily life, it is recommended to maintain good oral hygiene, thoroughly brushing teeth in the morning and evening and rinsing the mouth after meals, which helps prevent abnormal salivary secretion caused by dental caries and periodontal disease.

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