Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Sleep Apnea ?
    ### Response:
    Sleep apnea is a common disorder that causes your breathing to stop or get very shallow. Breathing pauses can last from a few seconds to minutes. They may occur 30 times or more an hour.    The most common type is obstructive sleep apnea. It causes your airway to collapse or become blocked during sleep.
    