**PRESCRIPTION REQUIRED FOR THIS ITEM. PLEASE SEND WHEN ORDERING*** If you snore loudly and wake up feeling tired or experience excessive sleepiness during the day, you may suffer from Sleep Apnea. Left untreated, Sleep Apnea can increase the risk of high blood pressure, heart attack, stroke, obesity and diabetes. Until now, people with Sleep Apnea have had two choices, expensive and cumbersome CPAP machines, or very expensive custom-made oral appliances.