Most of the dry mouth after waking up is caused by dehydration, poor sleeping habits, physical illness and other reasons.
People in the process of sleep, such as the environment is hot and dry, weekdays do not supplement the amount of water, will lead to human dehydration, saliva secretion is less so that after waking up there will be a dry mouth phenomenon.
In the process of sleep, sleeping on your back and other bad sleeping posture, teeth to the bad or rhinitis caused by open-mouth breathing the wrong way to breathe, will also lead to the loss of water, wake up with a dry mouth.
Physical disease, liver and kidney disease, chronic lung disease, diabetes and other reasons will lead to metabolic abnormalities, thus causing dry mouth after waking up.
Waking up with a dry mouth can be a sign of a health condition. You can drink more water in your daily life, pay attention to light diet, change bad habits, get more rest and ensure the quality of sleep. If the symptoms persist, you should go to the hospital in time for examination, clear diagnosis and standardized treatment as prescribed by the doctor.