Sleep apnea is a disorder where you have several pauses in breathing or shallow breaths while you sleep. The pauses may be a couple of seconds o even minutes. They can occur many times throughout the night. Sleep apnea is a common chronic condition and is one of the top reasons people are tired during the day. The pauses in sleep cause you to go from deep sleep to light sleep.
Sleep apnea is undiagnosed because it doesn't show up on a blood test. Most of the time, a family member will notice the signs and that leads to diagnosis. There are two types of sleep apnea.