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Blog2025-01-16T11:26:47-07:00

Sleep Blog

Read the latest tips, news, and information about The Insomnia and Sleep Institute of Arizona.

Why Do You Wake Up With a Dry Mouth Every Morning in Arizona?

October 12th, 2026|

Waking up with a parched, sticky mouth in the desert is common, but Arizona heat is rarely the only cause. While low humidity accelerates evaporation, chronic morning dry mouth (xerostomia) is can be triggered by nocturnal mouth breathing, obstructive sleep apnea, or drying medications. Saliva serves as your oral cavity's primary defense against bacteria, which means frequent morning dryness is an important clinical symptom rather than just a minor seasonal annoyance. (1) Why Does the Arizona Desert Climate Worsen Overnight Dryness? Arizona's arid climate creates