What Side Should I Sleep On While Pregnant?

Understanding the Best Sleeping Position During Pregnancy

When it comes to sleeping during pregnancy, especially after the first trimester, the left side is generally considered the best position. This preference is due to the way your bodily organs and blood flow are influenced by gravity. Sleeping on the left side is thought to improve circulation to the heart and allows for the best blood flow to the fetus, uterus, and kidneys.

Exploring the Benefits of Left-Side Sleeping

Enhanced Circulation

The primary reason for preferring the left side lies in the anatomy of your circulatory system. The inferior vena cava, which is a large vein that carries deoxygenated blood back to your heart, is on the right side of your spine. When you sleep on your left, the theory is that you reduce the amount of pressure on this vein, thereby improving circulation.

Optimal Organ Function

Your growing uterus can put pressure on your liver which is on your right side if you sleep on your back or right side during later stages of pregnancy. By sleeping on your left, you may reduce this pressure and promote better liver function.

Reduced Swelling and Edema

Many pregnant women experience swelling in their legs and feet. Sleeping on your left side can help reduce this swelling, as it encourages better elimination of waste products and fluids from your body due to improved kidney function.

Our Top 5 Sleep Aid Picks

Updated September 2026
1
1
Best Overall

Nature's Bounty Melatonin Quick Dissolve Tablets, 45 Count, 2-Pack

Best for most people. Quick-dissolve melatonin tablets from a widely stocked brand, taken without water. Two bottles per pack.

  • Quick-dissolve tablets
  • Melatonin
  • 45 count × 2
Check Price on Amazon
2
2

Aleve PM Caplets, 80 Count

Best when pain keeps you up. Pairs a pain reliever with a sleep aid in one caplet, for nights when headaches or muscle aches are the real problem.

  • Naproxen sodium 220 mg
  • Diphenhydramine 25 mg
  • Non-habit forming
  • 80 caplets
Check Price on Amazon
3
3

MidNite Sleep Aid Chewable Cherry Tablets, 30 Count, 4-Pack

Best chewable. Cherry-flavoured chewables for occasional sleeplessness, no water needed. Four bottles in the value pack.

  • Chewable cherry tablets
  • For occasional sleeplessness
  • 30 count × 4
Check Price on Amazon
4
4

NOW Foods Melatonin 5 mg, 180 Veg Capsules, 2-Pack

Best value. High-potency 5 mg veg capsules, 180 to a bottle and two bottles per pack, so one order lasts months.

  • 5 mg melatonin
  • Veg capsules
  • 180 count × 2
Check Price on Amazon
5
5

Natrol Melatonin 10 mg Gummies, 140 Count

Best gummy. Higher-strength 10 mg strawberry gummies for adults who would rather chew than swallow a pill. About a 70-day supply.

  • 10 mg melatonin
  • Strawberry gummies
  • Drug-free
  • 140 count
Check Price on Amazon
Sleep aids are not for everyone. Check with your doctor or pharmacist before starting one, especially if you take other medication. As an Amazon Associate, Good Sleep Hub earns from qualifying purchases. Prices and availability are shown on Amazon.

Concerns With Other Sleeping Positions

Right-Side Sleeping

There are fewer concerns with right-side sleeping compared to back or stomach sleeping; however, it does not offer the same circulatory benefits as the left side. If you find yourself on your right side, don’t panic; simply roll back to your left when you become aware of it.

Back Sleeping

As your pregnancy progresses, sleeping on your back can become uncomfortable and may lead to health issues such as backaches, breathing problems, digestive system sluggishness, hemorrhoids, low blood pressure, and decrease in circulation to your heart and your baby due to the weight of your growing uterus.

Stomach Sleeping

In the early weeks of pregnancy, stomach sleeping may still be possible. But as your belly grows, this position becomes not only impractical but also uncomfortable and potentially harmful to your baby.

Alternatives and Tips for Comfortable Sleep

While the left side may be preferable, comfort is also key to getting a good night’s sleep. Here are some tips to help you stay comfortable and safe while sleeping during pregnancy:

Use of Pillows

Pregnancy pillows or regular extra cushions can be a great aid in maintaining a side-sleeping position. They can be used to support your back, cradle your stomach, and even be placed between your knees to alleviate stress on your hips.

Switching Sides

It’s also perfectly normal to switch sides during the night. While left is best, alternating sides can help to alleviate any discomfort or restlessness you may feel.

Avoid Flat Back Position

As you approach your second and third trimesters, consider propping yourself up slightly to avoid being completely flat on your back, if this is a habit. Using a wedge-shaped pillow can help achieve this gently inclined position.

Consulting Healthcare Providers

Ultimately, it’s essential to consult your healthcare provider for personalized advice on sleeping positions, as they may have recommendations based on your specific circumstances.

Safe Sleeping Habits in Pregnancy

Adopting safe sleeping habits during pregnancy is not only about the position but also about the quality and duration of sleep. Ensure your sleeping environment is comfortable, maintain a cool room temperature, and avoid stimulants like caffeine close to bedtime to enhance your sleep quality. Regular exercise during pregnancy, as per healthcare advice, can also promote better sleep.

Finishing Thoughts

When pregnant, it’s important to consider how your sleep position might affect your health and the health of your unborn child. The consensus is that sleeping on your left side is the most beneficial posture during pregnancy. However, comfort should also play a critical role in your sleep strategy, and the occasional shift in position is natural and expected. Pregnancies can vary widely from one person to another, so while general advice can be helpful, it’s equally important to seek guidance from healthcare providers who know the specifics of your individual situation. Remember, staying informed, comfortable, and in communication with your doctor can ensure that both you and your baby have the best possible experience throughout your pregnancy.

Author

  • I love learning and sharing everything about sleep. I am one of the energetic editors here at GoodSleepHub, where I talk about how to get a better night's sleep. When I'm not writing, I'm probably walking my dog Luna or trying out new sleeping gadgets. My goal is to help you sleep easier and better. Join me, and let's find simple ways to enjoy great sleep every night!

    View all posts

We will be happy to hear your thoughts

Leave a reply

bottom custom

444

Good Sleep Hub
Logo