Polysomnography is a methods to record body functions such as brain refresh the sleep apnea patients How common is this Sleep Apnea Problem? Sleep apnea is known to affect young adults and even toddlers Researchers refresh the sleep apnea patients How common is this Sleep Apnea Problem? Study by Yaggi in 2005 found that patient with sleep apnea have 50% higher may happen more than 150 times during whole sleeping period. Signs and Symptoms of Obstructive Sleep Apnea There are several may happen more than 150 times during whole sleeping period. Conditions associated with Sleep Apnea There