Excessive fat mass around the neck may lead to cause sleep apnea There is some indication that genetics may play a role in sleep apnea. However, the risk of having high level of obstructive factors How to Diagnose Sleep Apnea Diagnosis of sleep apnea is not an easy thing to do. This article will help you recognize the signs and symptoms of sleep function, heart function, eye movement, and skeletal muscle activation during sleep. A formal sleep study Polysomnography must be conducted to determine types of sleep apnea Why Obstructive Sleep Apnea Happened? Excessive fat mass around the neck