The Link Between Weight Loss and Severity of Sleep Apnea

May 11, 2021

You may have heard by now, in your research regarding sleep apnea, that weight plays a role in why you are experiencing symptoms of sleep apnea.
In fact, being overweight or obese is considered one of the primary risk factors of sleep apnea.

According to the National Heart, Lung and Blood Institute, “Unhealthy eating patterns and lack of physical activity can lead to overweight and obesity, which can result in sleep apnea.”

So, can your sleep apnea be cured by simply losing weight? The short answer is that it’s possible, but not guaranteed.

Weight loss is a known treatment for a variety of diseases such as heart disease and diabetes. Improving your lifestyle habits like eating healthier or increasing the amount of exercise helps your body regulate chemical levels and takes the pressure off of major organs.

In the case of sleep apnea, excess weight creates fat deposits in a person’s neck called pharyngeal fat. Pharyngeal fat can block a person’s upper airway during sleep when the airway is already relaxed. (Source: The Sleep Foundation)

In a study about how weight loss affects obstructive sleep apnea (OSA) patients (OSA), the sleep quality of 72 overweight patients with mild OSA was monitored. The patients switched to a reduced-calorie diet and received counseling about their lifestyles, which resulted in a significant decrease in their BMIs. After losing weight, the subjects’ mean number of apnea events per hour decreased significantly. Post weight-loss, the number of patients with sleep apnea decreased by 75%. 

While that is a significant decrease, it’s important to remember that carrying around extra weight isn’t the only cause of sleep apnea.
People that have a large neck (over 16-17 inches), are over 40, have a nasal obstruction, or have large tonsils are more at risk of suffering from sleep apnea.

If weight loss doesn’t completely help your suffering of sleep apnea, contact Sleep Rehab today for a consultation for a non-invasive, non-surgical solution.

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