Sleep apnea is a serious sometimes undiagnosed sleep disorder where your body struggles to breath and stops breathing for few seconds to minutes, while you sleep. It is an ongoing deterioration of your body which affects your heart and brain. It may also lead to death which is why its extremely dangerous if undiagnosed. Sleep Apnea can cause heart attacks, heart disease, lead to sudden death. There are two types of cure for sleep apnea- the CPAP Machine which basically is mask that helps the patient breathe through the night or the oral appliance which is to be worn while sleeping,holds the lower jaw forward to keep the tongue from falling back and obstructing the airway and thus help you breathe better.