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   Breathing pauses associated with sleep apnea often occur five to 30 times or more per hour and can last from a few seconds to a few minutes, resulting in poor sleep that makes you tired during the day. The most common type of sleep apnea is obstructive sleep apnea, which usually is caused by the airway collapsing or being blocked during sleep.

   Common signs of obstructive sleep apnea include loud snoring, morning headaches, irritability, memory and concentration problems, and a dry throat upon waking. Most people with sleep apnea don’t know they have the condition, and it often goes undiagnosed.