Waking up in the middle of the night with a dry mouth can be uncomfortable. You may notice that your tongue feels sticky, your throat is unusually dry, your lips are cracked, or you need to reach for a glass of water before you can fall asleep again. For some people, the problem happens only occasionally. For others, it becomes a nightly experience that interferes with sleep and leaves them feeling uncomfortable in the morning.
A dry mouth, medically known as xerostomia, occurs when the mouth does not have enough
