Snoring is the sound of obstructed breathing during sleep. While snoring may be harmless (benign snoring), it can also be the sign of a more serious medical condition which progresses from upper airway resistance syndrome (UARS) to obstructive sleep apnea (OSA).
When you breathe normally, air passes through the nose and past the flexible structures in the back of the throat such as the soft palate, uvula and tongue. While you are awake, muscles hold the airway open. When you fall asleep, these muscles relax, but, normally, the airway stays open.
Snoring occurs when the structures in the throat are large and when the muscles relax enough to cause the airway to narrow and partially obstruct the flow of air. As air tries to pass through these obstructions, the throat structures vibrate causing the sound we know as snoring. Large tonsils, a long soft palate and uvula and excess fat deposits contribute to air-way narrowing.
When obstructive sleep apnea occurs, the tongue is sucked against the back of the throat. This blocks the upper airway, causing air flow to stop. When the oxygen level in the brain becomes low enough the sleeper partially awakens, the obstruction in the throat clears, and the flow of air starts again - usually with a loud gasp. People with obstructive sleep apnea (OSA) have disrupted sleep, and low blood oxygen levels.
Sleep is a necessary biologic function. Without sufficient sleep, individuals become irritable and unable to concentrate. Work performance is likely to become impaired and there is excessive daytime drowsiness. It is estimated that 50% of the adult population of the United States is sleep deprived. Sleep deprivation is a significant factor in traffic and workplace accidents.
Sleep is a necessary biologic function. Without sufficient sleep, individuals become irritable and unable to concentrate. Work performance is likely to become impaired and there is excessive daytime drowsiness. It is estimated that 50% of the adult population of the United States is sleep deprived. Sleep deprivation is a significant factor in traffic and workplace accidents.
Norman Blumenstock, DDS, MAGD, D.AAPM, D.ABDSM
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