08.07.2026

Sleeping on the right side: what effects it can have according to each person and when it is advisable to consult a specialist.

By Vitia

Sleep is one of the most important activities for maintaining good health. However, something as simple as the position you rest in each night could influence your well-being more than you imagine.

Many people have the habit of sleeping on their right side without knowing that this posture can generate some discomfort or worsen certain health problems in certain situations. Although each organism is different, several specialists have studied how sleeping position can affect digestion, breathing, and circulation.

What problems could sleep on the right side favor?

1. Increased Likelihood of Reflux and Heartburn

One of the most common discomforts is gastroesophageal reflux. When a person lies on their right side, stomach acids can move more easily into the esophagus, causing a burning sensation, heartburn and discomfort during the night.

People who suffer from frequent reflux often notice an improvement when changing posture.

2. Breathing difficulties in some people

Those who suffer from breathing problems, nasal congestion, or certain lung conditions may find it more difficult to breathe in certain positions. Sleeping on your right side may increase the feeling of shortness of breath in some cases, especially if there are pre-existing medical conditions.

3. Less comfort for the lymphatic system

The lymphatic system helps remove waste and fluids from the body. Some experts believe that certain positions can promote more efficient drainage, although this aspect is still being studied.

4. Back and shoulder discomfort

Maintaining the same posture for many hours can generate muscle tension. Constantly sleeping on your right shoulder can lead to pain in that area, as well as discomfort in your lower back and neck upon waking.

5. Possible increase in snoring

In some people, certain positions cause the tongue and soft tissues in the throat to partially block the airway. This can increase snoring and affect the quality of rest.

Benefits of Sleeping on Your Left Side

While there is no perfect posture for everyone, sleeping on your left side is often associated with some interesting advantages.

May support digestion

The natural location of the stomach allows gravity to help the digestive process when resting on the left side. This can help reduce feelings of heaviness after meals.

Helps decrease nighttime reflux

Numerous studies have observed that people with reflux tend to experience fewer episodes of heartburn when they sleep on their left side.

May improve circulation

Some research suggests that this position facilitates the return of blood to the heart, especially during a night’s rest.

May reduce snoring

Sleeping on your side helps keep your airways clearer compared to sleeping on your back, which can decrease snoring in certain people.

How to get used to sleeping on the left side?

Changing a habit that you have been practicing for years is not always easy. However, a few tricks can help:

  • Place a pillow behind your back to avoid rolling over during the night.
  • Use a pillow between your knees to maintain a more comfortable posture.
  • Choose a mattress that provides good support to your spine.
  • Avoid overeating before bed.
  • Try to lie on your left side initially each night to train your body.

Tips and recommendations

  • If you suffer from reflux, avoid going to bed immediately after eating.
  • Maintain a healthy weight to reduce pressure on your abdomen.
  • See a doctor if you experience intense snoring or breathing pauses during sleep.
  • Change your posture if you experience persistent pain in your shoulders, neck, or back.
  • Use good quality pillows that maintain proper alignment of the spine.
  • Try to get 7 to 9 hours of sleep each night to help your body recover.

The position you sleep in can influence your digestion, breathing, and overall comfort. Although sleeping on your right side is not always a problem, many people find benefits to resting on their left side, especially if they suffer from reflux or snoring. The most important thing is to find a posture that allows you to sleep comfortably and wake up feeling rested and refreshed.