Health 22/01/2026 17:34

Is it better to sleep on your right or left side? Here's what science says


Dorming is one of the habits we enjoy the most, and this is because when we sleep we disconnect from the world. And that’s not all—our body also gets to rest and recover energy so we can start a new day.

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Many people, in general, have certain preferences when it comes to sleeping. Some focus on the position of their pillows, others like to sleep in a certain type of pajamas, and so on. But when we talk about sleeping positions, there is something for every taste.

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The most common ways to sleep are on your back, on your stomach, or on your side—everything for our comfort. But did you know that your sleeping position influences your health? You probably didn’t.

We are not talking about how many hours you sleep, but about how you do it: the position you choose. If you want to know which is the correct sleeping position or which one is best for your health, then keep reading this post, where we clear up all your doubts.

This is the best position for sleeping – the left side

Who would have thought that the position we sleep in could influence our health? Science confirms that it does, and we want to share this with you, so keep reading below.

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Many people sleep either on their back or on their stomach, but very often the favorite posture for many people is undoubtedly sleeping on their side. However, we know we have two sides—so which one is the most suitable for sleeping?

According to science, sleeping on your left side is much better, and here are the reasons.

It is good for the brain:
When sleeping on this side, the lymphatic drainage of our central nervous system benefits. This is stated by The Journal of Neuroscience, a scientific journal in which a study carried out by the universities of Stony Brook (New York) and Rochester (United States) was published. To put it more simply, this research claims that this position allows the body to eliminate excess proteins, vitamins, and fats that may be harmful to health.

Improves circulation:
It may seem absurd since our heart is on this side, but this position prevents the aorta from becoming obstructed, and the inferior vena cava remains free. No organ presses on it, allowing blood to circulate throughout our entire body without any impediment.

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Facilitates digestion:
Both the large and small intestines are slightly inclined to the left, so sleeping on this side helps us digest food better and more easily.

Relieves pressure on the spine:
When resting on this side, the body’s weight shifts toward that side, freeing the spine from excess pressure. It is the most recommended position for pregnant women, as it helps the baby receive nutrients.

That’s all for today. We hope you found this post interesting.

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