Sleep apnea is a serious sleep disorder that occurs when a person's breathing is interrupted during sleep. People with untreated sleep apnea stop breathing repeatedly during their sleep, sometimes hundreds of times. This means the brain -- and the rest of the body -- may not get enough oxygen.

Video Transcript https://www.mayoclinic.org/diseases-conditions/sleep-apnea/basics/definition/con-20020286; AudioJungle; Renars Jurkovskis; Stockbyte; PhotoTalk; ukrainec; Brian Chase; Peter Cade; iStock. [MUSIC PLAYING]

There are two types of sleep apnea: