The pillar procedure is a minimally invasive treatment for snoring and obstructive sleep apnea. Even the loudest snoring does not mean that an individual has sleep apnea syndrome. Major risk factors for sleep apnea include chronic fatigue, old age, obesity and snoring. The pressure is increased until the obstructive symptoms (snoring and periods of apnea) have disappeared. Some studies have suggested that "playing a wind instrument"&colon; may reduce snoring and apnea incidents. Common symptoms include loud snoring, restless sleep, and sleepiness during the daytime. They also have been shown to reduce snoring loudness and improve quality of sleep. Other symptoms can be difficulty in breathing, snoring, day-time sleepiness and perspiration. They woke Pliny, who had been napping and emitting loud snoring. They woke Pliny, who had been napping and snoring loudly. Zanni is also known to be vocal with sounds including farting, burping, and snoring. A stertor is a respiratory sound characterized by heavy snoring or gasping. Orthopedic pillows are the least intrusive option for reducing snoring. He hears a strange noise and thinks the Emperor is snoring. New studies associate loud "snoring" with the development of carotid artery atherosclerosis.