Best Sleeping Positions During Pregnancy: 5 Tips for Better Rest

As your body changes during pregnancy, getting comfortable can seem nearly impossible. Listening to your body and making small adjustments can go a long way in helping you rest better throughout pregnancy.

What position should you sleep in during pregnancy?

What is the correct side-sleeping position? 

Side sleeping is often the most comfortable option during pregnancy, especially as your belly grows. Using proper alignment and support can help reduce aches and improve sleep quality. Here’s how to do it correctly:

• Bend your knees slightly to ease pressure on your lower back and pelvis 
• Keep your shoulders and hips aligned to prevent twisting your spine overnight 
• Place a pillow between your knees to support your hips and reduce back strain 
• Use a pillow under your belly for added comfort and support 
• Avoid leaning too far forward or backward, which can strain your neck and hips

Sleeping in a side-laying position helps your body stay supported and relaxed throughout the night.  

Is it safe to sleep on your back or stomach during pregnancy?

Finding a comfortable sleeping position during pregnancy can become more challenging as your body changes. The good news is that your body will often guide you as your pregnancy progresses, helping you naturally adjust to positions that feel most comfortable.

What if I accidentally sleep on my back while pregnant?

If you wake up on your back, there is no need to worry. Simply roll onto your side and get comfortable again. Side sleeping, particularly on your left side, is often recommended because it supports healthy circulation and may improve comfort for both you and your baby.  

During the second and third trimesters, healthcare providers generally recommend avoiding long periods of sleeping flat on your back. The weight of your growing uterus can put pressure on the inferior vena cava, a large vein that carries blood from the lower body back to the heart. In some women, this may affect circulation and contribute to symptoms such as dizziness, back discomfort or shortness of breath.

How long can I sleep on my stomach while pregnant?

Early in pregnancy, sleeping on your stomach is generally safe and comfortable for many women. As your baby grows and your belly expands, this position often becomes less comfortable naturally, leading many women to transition to other sleeping positions.

If stomach sleeping remains comfortable for you, there is generally no reason for concern. The most important thing is finding a position that helps you get quality rest throughout your pregnancy.

It is also normal to change positions while you sleep. You do not need to stay perfectly still or remain on one side all night. Moving from side to side is expected, and the goal is to find a supportive, comfortable position that helps you rest while supporting a healthy pregnancy.

How can you sleep more comfortably during pregnancy? 

Comfortable sleep during pregnancy often comes down to proper support and healthy sleep habits. Making a few simple changes can help improve how you feel at bedtime and throughout the night.

1. Use pillows to support your body 

A pregnancy pillow is one of the most practical investments you can make for better sleep. Full-length body pillows, C-shaped pregnancy pillows and U-shaped pregnancy pillows are all designed to support your belly, back, hips and knees simultaneously. If you do not want to invest in a specialty pillow, a combination of regular bed pillows can achieve a similar result. One between your knees, one under your belly and one tucked behind your back gives you a stable, supported sleeping setup.

For women experiencing back pain, placing a pillow under the abdomen in addition to between the knees can help relieve pressure. If you are dealing with shortness of breath, a common issue in late pregnancy as the uterus pushes against the diaphragm, propping your upper body with an extra pillow can make breathing easier and improve your overall comfort.

2. Stay active during the day

Regular physical activity supports better sleep during pregnancy. Avoid hard exercise within four hours of bedtime, as it can raise your heart rate and body temperature in ways that make it harder to wind down. Walking, swimming, prenatal yoga and light stretching are all pregnancy-safe options that offer sleep benefits without overstimulating your system close to bedtime. If you are unsure what level of activity is appropriate for your stage of pregnancy, speak with your OB-GYN or midwife for guidance.

3. Prevent leg cramps

Leg cramps are one of the more disruptive causes of nighttime waking during pregnancy. They are often linked to nutritional factors, particularly low levels of calcium and magnesium.

Staying well-hydrated throughout the day also helps reduce the frequency of cramping, as does gentle stretching before bed. Stretching your calf muscles, by flexing your foot upward toward your shin, can relieve a cramp in the moment and may help prevent them from occurring in the first place. If leg cramps persist or are accompanied by swelling and redness, contact your healthcare provider to rule out other causes.

4. Create a cool, comfortable sleep environment

Your sleep environment has a measurable effect on your ability to fall and stay asleep. During pregnancy, your body temperature tends to run warmer than usual, making a cool bedroom especially important. The American Pregnancy Association recommends keeping your bedroom dark, quiet and cool to support restful sleep.

Creating a sleep-friendly environment can make a noticeable difference in the quality of your rest. Start by setting your thermostat between 60 and 67 degrees, a range most sleep experts consider ideal for sleeping. Choose breathable bedding made from natural materials, such as cotton or linen, to help regulate body temperature throughout the night. A fan can improve airflow while providing gentle white noise that many people find soothing. If light or outdoor noise regularly interrupts your sleep, blackout curtains and a sound machine can help create a darker, quieter space that supports more restful sleep.

Limiting screen time before bed matters too. Try to step away from screens at least an hour before sleep and replace scrolling with something calming, light reading, breathing exercises or a warm bath.

5. Ease heartburn at night

Heartburn is among the most common causes of nighttime discomfort during pregnancy, as the growing uterus pushes against the stomach and hormonal changes relax the valve between the esophagus and stomach.

Switch from three large meals to several smaller meals spread throughout the day. This keeps your stomach from becoming overly full, which worsens reflux. Avoid foods that commonly trigger heartburn, including spicy foods, greasy or fried foods, citrus and chocolate. Do not eat within two hours of going to bed — giving your stomach time to empty before you lie down reduces the likelihood of acid moving upward.

If heartburn wakes you at night, propping your upper body with an extra pillow can help. Gravity keeps acid lower in your digestive tract when your head and chest are slightly elevated.

Better sleep supports a healthy pregnancy

When it comes to pregnancy sleep, comfort matters most. The best sleeping position is the one that helps you feel supported, reduces aches, and allows you to rest more peacefully.

Experiment with pillows, adjust your routine and create a sleep environment that works for you. Quality rest supports your well-being.
 

Learn more about obstetrics at Ochsner Health