Is Alcohol The Reason Why You Snore?

Alcohol is known to increase your snoring noises, especially if you drink just before going to bed. This can cause problems for you to achieve proper REM (Rapid Eye Movement) sleep. It is a sleep stage when most dreams occur. During REM sleep, a person's brain activity, breathing, heart rate, and blood pressure increase and their eyes move rapidly while closed. The muscles in the arms and legs also temporarily become unable to move.

As per a 2020 study, published in the American Journal of Managed Care, found out that alcohol consumption close to bedtime can contribute to lowest oxygen saturation (LSAT) to people who are at risk for snoring or obstructive sleep apnea (OSA).

This happens because alcohol is a depressant and it can relax your body's muscles including the ones in your throat. It can relax your epiglottis, the flap of cartilage that acts as a gateway between your throat and mouth. Under normal conditions, epiglottis remains in an upright or open position when you breathe, this allows air to move freely from your nasal passage through your trachea and into your lungs. But when you swallow something, it folds back to prevent food, drinks, or saliva from entering your trachea.

However, when you drink alcohol, your epiglottis relaxes along with other muscles of your throat, not doing the job correctly. Even your nasal passages could also become swollen. To compensate, your body then pushes you to breathe in more deeply, creating vibrations across the skin in your esophagus that could lead to snoring.

Alcohol could lead to more than just snoring. It leads to sleep apnea too. A 2020 study titled Impact of Alcohol Consumption on Snoring and Sleep Apnea: A Systematic Review and Meta-analysis, reviewed medical data from 279 patients diagnosed with OSA. The study then further separated them into one control group that did not drink versus the group that did.

The study to draw results, focused on the Apnea-Hypopnea Index (AHI), and the LSAT. It found that participants who self-reported drinking close to bedtime experienced a mean difference of 3.98 more AHI events per hour as compared to the control group that abstained. The group that consumed alcohol also experienced a lower LSAT.

Another 2022 study titled Alcohol as an Independent risk factor for Obstructive Sleep Apnea, found that alcohol served as the independent risk factor for a person to increase their chances of experiencing OSA. This study also analyzed 793 OSA patients and separated them into groups of who drink and who did not. The study also found similar results as of the 2020 study.

While the best thing to do would be to leave alcohol, as it has many health risks. Experts also have reiterated that no matter the intensity, whether it is regular consumption, binge drinking or high-intensity drinking, alcohol consumption does no good to your body. However, it is important to note that quantity and timing of drinking alcohol before going to bed matters.

As per a 2008 study titled Disturbed Sleep and Its Relationship to Alcohol Use, reviewed previously published medical data specifically focused on determining the relationship between the quantity of alcohol consumed versus how it impacted sleep quality.

The study also found that 2 to 3 drinks consumed before bedtime could initially promote sleep, but those beneficial effects began to disappear after as little as 3 days of consistent drinking.