Waking Up With a Dry Mouth? Here’s What Your Body Might Be Telling You
Waking up with a dry mouth occasionally is common, but persistent morning dryness can sometimes point to an underlying issue.
You may be breathing through your mouth at night. Nasal congestion, snoring, or sleeping with your mouth open can dry out the mouth.
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Mayo Clinic
You could be dehydrated. Not drinking enough fluids can contribute to thirst and dry mouth.
Your medication may be responsible. Hundreds of medicines can cause dry mouth, including some antidepressants, blood-pressure medicines, antihistamines, decongestants, muscle relaxants, and pain medicines.
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Mayo Clinic
High blood sugar can cause increased thirst and dehydration. If dry mouth comes with frequent urination, unusual thirst, fatigue, blurred vision, or unexplained weight loss, diabetes should be considered.
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Mayo Clinic
It can be a sign of sleep apnea. Morning dry mouth is a recognized symptom, particularly when accompanied by loud snoring, gasping or choking during sleep, morning headaches, or excessive daytime sleepiness.
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Mayo Clinic
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Persistent dry mouth can affect your teeth. Saliva helps protect against tooth decay and gum problems, so chronic dryness shouldn’t simply be ignored.
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Mayo Clinic
What you can do
Sip water throughout the day, consider a bedroom humidifier, treat nasal congestion appropriately, and try sugar-free gum or candies to stimulate saliva. Avoid excessive alcohol and caffeine if they worsen your symptoms.
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Mayo Clinic
If your dry mouth happens regularly or doesn’t go away, talk with a healthcare professional or dentist—especially if you also snore heavily, wake up choking, or have excessive daytime sleepiness.
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Mayo Clinic
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