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Sleep Blog

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

Insomnia vs. Sleep Apnea: How to Tell the Difference

October 24th, 2026|

The difference between insomnia and sleep apnea is that insomnia is a sleep-initiation or maintenance problem, whereas sleep apnea is a breathing disorder during sleep. Insomnia causes difficulty falling asleep, staying asleep, waking up prematurely, or suffering from overall poor sleep quality despite having plenty of time to rest (1).  At The Insomnia and Sleep Institute of Arizona, our sleep physicians routinely educate patients that while both conditions leave you feeling completely depleted during the day, insomnia stems from a hyperaroused nervous system while you