Does Weight Loss Reduce Snoring? Why It’s Not Always Enough for Better Sleep

• Weight loss may reduce snoring, but it doesn’t work for everyone.
• Snoring isn’t only caused by weight—jaw shape and airway issues matter too.
• Many people still snore after losing weight, which is why testing is important.
• You don’t need CPAP to get help—Daybreak offers comfortable, at-home options.

Numerous studies highlight the connection between weight loss and reduced severity of OSA. For instance, research published in the Journal of Clinical Sleep Medicine (PMCID: PMC3021364) indicates that weight loss has been shown to reduce the severity and symptoms of Obstructive Sleep Apnea (OSA), however, the study also notes that this isn’t always the outcome.

This underscores that while weight loss can be a crucial component of managing OSA, it’s not a guaranteed fix. Other factors, such as anatomical and genetic predispositions, can contribute to the condition, making it essential to consider additional treatments.

Contrary to popular belief, not all individuals with OSA are obese. A study published in Sleep Medicine Clinics (DOI: 10.1016/j.jsmc.2023.05.010) found that only 37% of individuals with OSA were obese. However, a majority of individuals with OSA (73%) were still overweight. This distinction is crucial because it highlights that weight is a contributing factor but not the sole determinant of OSA.

The study also suggests that there may be a significant number of non-obese individuals unknowingly suffering from OSA. This is potentially due to biases in screening and referral practices, as healthcare providers often prioritize screening overweight or obese individuals for sleep apnea. The study states, “it is possible that OSA at all levels of severity in non-obese populations is more common in the community compared with patients presenting to sleep clinics.”

While excess weight is a well-known risk factor for OSA, there are numerous other reasons why someone might develop the condition. Anatomical factors, such as a naturally narrow airway, enlarged tonsils, or a deviated nasal septum, can contribute to airway obstruction during sleep. Genetic predispositions may also play a role, as some individuals inherit traits that make them more susceptible to OSA. Additionally, hormonal changes, such as those occurring during pregnancy or menopause, can increase the risk of developing sleep apnea. Lifestyle habits, like excessive alcohol consumption or smoking, can further exacerbate the problem by relaxing throat muscles or causing inflammation in the airway.

A fairly common misconception is that OSA only affects older, overweight men. In reality, sleep apnea does not discriminate by gender, age, or race. Women, children, and individuals of all ethnic backgrounds can and do suffer from OSA. Recognizing this diversity is critical for improving awareness and encouraging broader screening practices.

Although weight loss alone may not always resolve snoring or OSA, it can enhance the effectiveness of other treatments. For example:

• Continuous Positive Airway Pressure (CPAP): Weight loss can make CPAP therapy more effective by reducing airway resistance, and easier tolerated with lowered air pressure.
• Mandibular Advancement Devices (MAD): These oral devices hold the jaw slightly forward during sleep to keep the airway open, and their efficacy can improve when weight loss reduces tissue & inflammation around the airway.
• Surgical Treatments: Procedures to remove excess tissue or reposition structures in the airway can yield better results in individuals who have reduced their weight.

So, does weight loss reduce snoring? For some people, it can help—but it’s rarely the only answer. While losing weight may help alleviate snoring and sleep apnea symptoms, many people continue to struggle due to factors such as airway anatomy, jaw structure, or other underlying conditions.

That’s why finding the right snoring solution often means looking beyond the scale. A proper diagnosis and individualized treatment approach can make a significant difference in sleep quality, regardless of whether weight loss is part of the journey. Understanding what’s really causing snoring is the first step toward better, more restful sleep.

Not sure if weight loss alone will stop your snoring? Take Daybreak’s 30-second sleep assessment to find out if you may have sleep apnea—and explore comfortable, CPAP-free treatment options you can use at home.

1. How much weight do I need to lose to stop snoring?

There isn’t a specific amount of weight that guarantees snoring will stop. Some people notice improvement after modest weight loss, while others continue to snore even after losing a significant amount. Factors such as airway shape, jaw position, and genetics often play a greater role than the number on the scale.

2. Do you snore less if you lose weight?

Weight loss can reduce snoring for some people by decreasing pressure on the airway. However, it doesn’t work for everyone. Many people continue to snore after losing weight, especially if snoring is caused by anatomical or airway issues rather than excess weight alone.

3. Does being overweight increase snoring?

Yes, excess weight—especially around the neck and throat—can increase the likelihood of snoring by narrowing the airway. That said, being overweight is just one risk factor, and snoring can occur at any weight.

4. Why do slim people snore?

Snoring isn’t only related to weight. Slim individuals may snore due to factors such as a narrow airway, abnormal jaw structure, nasal congestion, enlarged tonsils, or relaxed throat muscles during sleep. This is why snoring and sleep apnea can affect people of all body types.

5. When is snoring a sign of something more serious?

Occasional snoring is common, but loud, frequent snoring—especially when paired with gasping, choking, or daytime sleepiness—may be a sign of obstructive sleep apnea. If snoring persists despite lifestyle changes, a sleep test can help identify the cause.