How Do I Know If I Have Sleep Apnea? - Ognomy How do I know if I have sleep apnea? Sleep apnea is a sleep disorder in which your breathing is repeatedly interrupted throughout the night. There are a few telltale signs, such as snoring, bruxism at night, night sweats, and many more. https://ognomy.com/how-do-i-know-if-i-have-sleep-apnea/