If You Drool While Sleeping Often, It Could Be a Sign of These 6 Health Conditions

4. Neurological Disorders (Parkinson’s Disease, MS, ALS)

  • Why: These conditions can affect the nerves and muscles responsible for swallowing (dysphagia), causing saliva to pool and leak during sleep.

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  • Signs: Tremors, stiffness, balance issues, changes in speech or coordination, progressive weakness.

5. Sleep Apnea or Obstructive Breathing Issues

  • Why: Breathing through the mouth during sleep—common in sleep apnea—can cause drooling. It’s often a sign of obstructed nasal or throat airways.

  • Signs: Loud snoring, gasping for air at night, daytime fatigue, morning headaches.

6. Cardiovascular or Neurological Events (Stroke, TIA)