Evie Summers
Sleep is an essential part of our lives, and the position we sleep in can have a significant impact on our health and comfort. While there is no definitive best side to sleep on, left-side sleeping is often recommended for improved digestion, better circulation, and reduced acid reflux, especially for those with GERD, heartburn, or indigestion issues. On the other hand, right-side sleeping may benefit individuals with specific heart conditions, such as congestive heart failure, and can help reduce pressure on the heart and improve overall comfort. Side sleeping, in general, offers many advantages, including better breathing, reduced snoring, and improved spinal alignment. The choice between left and right-side sleeping ultimately depends on individual health conditions, preferences, and comfort levels.
| Characteristics | Values |
|---|---|
| Best for acid reflux | Left |
| Best for heartburn | Left |
| Best for digestion | Left |
| Best for lymphatic drainage | Left |
| Best for heart health | Right |
| Best for sympathetic nervous system | Right |
| Best for breathing | Right |
| Best for snoring | Left |
| Best for sleep apnea | Left |
| Best for back and neck pain | Back |
| Best for shoulder pain | Back |
| Best for hip pain | Back |
| Best for skin | Back |
| Best for spine | Side |
| Best for eye health | Side |
| Best for pregnant women | Left |
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What You'll Learn
Left side sleeping is recommended for pregnant people
Sleeping on the left side is often considered the "ideal" scenario during pregnancy. This is because positioning yourself on the left side of your body allows for optimal blood flow from the inferior vena cava (IVC). The IVC is a large vein that runs parallel to your spine on the right side and carries blood to your heart and, in turn, to your baby. Sleeping on your left side also relieves pressure on your liver and kidneys, helping with swelling issues in your hands, ankles, and feet.
Doctors generally recommend sleeping on your side during pregnancy, especially as the pregnancy progresses. This is because as the fetus gets bigger, there is a greater chance of compression of the blood flow to the uterus. Sleeping on your side—whether left or right—provides optimal blood flow for you and your baby.
While there is no definitive "best" side to sleep on, left-side sleeping is recommended for pregnant individuals. This is primarily because it can improve circulation and reduce acid reflux. Sleeping on the left side can also help to alleviate lower back pain, a common problem for pregnant women.
However, it can be challenging to "pick" a sleep position, and most people naturally shift positions during the night. In fact, on average, we switch sleep positions 20 times throughout the night. Ultimately, comfort is key, and you should aim to find the most comfortable position for you. Pillow props can help you get into a comfortable position and stay on your side throughout the night.
If you are experiencing issues with pain, breathing, or digestion, it's best to speak to your healthcare provider. They can provide guidance on the best sleeping position for you during pregnancy.
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Right side sleeping is better for heart health
While there is no definitive "best" side to sleep on, right-side sleeping is better for heart health for certain groups of people.
For most people, the heart and vascular system can adapt to different sleep positions and function normally. However, for those with specific health conditions, the side you sleep on may play a small but meaningful role in heart health.
For example, people with heart failure often experience shortness of breath that worsens when they sleep on their left side, leading many to prefer sleeping on their right side. This preference could be a self-protecting mechanism to improve cardiac function, as one study concluded. Additionally, for pregnant women, lying on the right side keeps the fetus' weight from applying pressure to the inferior vena cava, improving blood flow to the fetus and making the heart's job easier.
On the other hand, left-side sleeping is recommended for pregnant individuals with heartburn and those with gastroesophageal reflux disease (GERD) as it improves circulation and reduces acid reflux.
In summary, while right-side sleeping may be beneficial for heart health in specific cases, such as heart failure and pregnancy, left-side sleeping is preferable for individuals with GERD or heartburn. Ultimately, sleep position is a matter of personal preference, and it is challenging to "pick" a position to sleep in throughout the night.
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Side sleeping is better for snoring and sleep apnea
While there is no definitive "best" side to sleep on, side sleeping is generally considered one of the most beneficial positions. It can help alleviate several issues, including snoring and sleep apnea.
Snoring is often a symptom of obstructive sleep apnea, a sleep disorder where the throat muscles relax and the airways collapse during sleep, causing pauses in breathing. Side sleeping is recommended for people with sleep apnea as it helps to keep the airways open and reduces snoring. The fetal position, sleeping on either the left or right side with the legs curled inward, is the most popular way to sleep on one's side and is particularly beneficial for those with sleep apnea as it may reduce snoring and airway blockage.
Sleeping on the back, or in the supine position, can worsen sleep apnea and increase snoring because the tongue and soft tissues can collapse backward, obstructing the airways. For this reason, people with sleep apnea are encouraged to sleep on their sides or stomachs.
However, sleeping on the stomach can cause a higher increase in intraocular pressure, which can lead to glaucoma, optic neuropathy, and sight problems. It can also put more pressure on the skin, increasing the likelihood of wrinkles.
Ultimately, most people naturally shift positions during the night, and it can be difficult to "pick" one position to sleep in throughout the night. If you want to train yourself to become a side sleeper, you can try methods such as propping yourself with pillows, placing your bed against the wall, or wearing an "anti-snore shirt" with a pocket sewn onto the back, so it's uncomfortable to roll onto your back.
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Sleeping on your back is best for avoiding sleep wrinkles
While sleeping on your back is the best position for avoiding sleep wrinkles, it is not the most popular position. This is because sleeping on your back increases the risk of sleep apnea, a condition in which airways collapse during sleep, causing breathing to pause. Side sleeping is the most popular position, with over 60% of people choosing this position.
Sleeping on your side or stomach can lead to wrinkles due to the friction of your face against the pillow. The collagen and elastic tissue in your face break down with age, and the pillow can speed up this process. However, sleeping on your back can be uncomfortable for some people. It can worsen snoring and sleep apnea, and it is not recommended for pregnant women, who are advised to sleep on their left side to keep pressure off internal organs and promote healthy blood flow.
If you want to avoid sleep wrinkles but find sleeping on your back uncomfortable, you can try investing in a body pillow to prevent you from rolling onto your face or stomach. Alternatively, you can try to maintain a skincare routine with anti-aging ingredients, such as retinol products, which encourage the formation of collagen.
While sleeping on your back can help prevent sleep wrinkles, it is important to prioritize comfort and breathing ease. If you are a loud snorer or have sleep apnea, side sleeping may be a better option.
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Side sleeping is better for digestion
While there is no definitive "best" side to sleep on, side sleeping is considered one of the most beneficial positions for a good night's rest. It can help alleviate acid reflux, reduce snoring, ease back and neck pain, and improve sleep apnea symptoms.
Side sleeping is particularly advantageous for individuals with digestive issues. Sleeping on the left side is often recommended for better digestion due to the anatomical positioning of the stomach and the role of gravity. The stomach is typically situated on the left side of the abdomen, so sleeping on the left side keeps its contents in place with the help of gravity. This position prevents acidic stomach contents from flowing back into the esophagus, reducing the risk of acid reflux and heartburn. Additionally, sleeping on the left side may facilitate the movement of food from the stomach into the small intestine, aiding the digestive process.
For individuals with gastrointestinal conditions such as irritable bowel syndrome, inflammatory bowel disease, or constipation, sleeping on the left side can assist in waste elimination. Gravity aids in waste movement through the colon, encouraging a bowel movement in the morning. Side sleeping may also help clear interstitial waste from the brain, potentially reducing the risk of neurological diseases like Alzheimer's and Parkinson's.
While side sleeping is generally beneficial for digestion, it is important to note that individual variations exist. Some people may experience shoulder discomfort when sleeping on their sides. In such cases, alternating sides or using supportive pillows to align the neck and spine can provide relief. Additionally, while side sleeping is ideal for alleviating snoring and mild sleep apnea, individuals with severe sleep apnea should consult a doctor for personalized advice.
In summary, side sleeping is considered beneficial for digestion due to its positive impact on acid reflux, waste elimination, and potential brain health. However, comfort and individual preferences also play a significant role in achieving a good night's sleep. Ensuring a supportive sleeping setup, including a firm mattress and pillows, can enhance sleep quality regardless of the chosen position.
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Frequently asked questions
There are health benefits to sleeping on both sides. Sleeping on the left side may be beneficial for pregnant people, those with acid reflux (GERD), or those with an implantable cardioverter defibrillator (ICD). On the other hand, sleeping on the right side may be better for people with heart conditions, cardiovascular disease, or those who experience heartburn.
Sleeping on the left side may improve blood flow to the intestines and uterus, which can be beneficial during pregnancy. It may also provide relief from heartburn symptoms and gastro-esophageal reflux disease (GERD) by improving digestion and reducing acid exposure.
Sleeping on the right side may decrease nervous system activity, which can lead to reduced anxiety and depression. It may also lower blood pressure and heart rate, making it beneficial for people with cardiovascular disease. Additionally, right-side sleeping may help ease heartburn symptoms by elevating the stomach and encouraging it to empty.
While sleeping on your side may offer various benefits, it's important to prioritize getting enough rest. Maintain a consistent sleep schedule, practice good sleep hygiene by reducing screen time before bed, and establish a relaxing bedtime routine. Additionally, ensure your mattress is medium-firm to provide adequate support and comfort for side sleepers.
