Best Sleeping Position During Pregnancy for Better Comfort

If you are pregnant and struggling to get a good night's rest, you are not alone. Sleep during pregnancy becomes harder with every passing week. Back pain, belly size, heartburn, and anxiety all work against you. But here is what most people do not tell you: the position you sleep in is not just about comfort. It can directly affect your baby's health and even reduce the risk of stillbirth. In this guide, we will walk you through the best sleeping positions during pregnancy, why they matter, and how the right support system can completely transform your nights.

Why Doctors Tell Pregnant Women to Sleep on Their Left Side

Most pregnant women are told to sleep on their left side, but very few are explained why this matters so deeply. As your pregnancy progresses, your growing uterus puts increasing pressure on major blood vessels, especially the inferior vena cava, which runs along the right side of your spine. 

Side sleeping during pregnancy, particularly on the left, keeps this blood flow open and unrestricted. It improves circulation, supports kidney function, and reduces swelling in your legs and feet. Research has consistently linked left side sleeping in pregnancy with a measurably lower risk of pregnancy complications, including late stillbirth.

A landmark study published in the British Journal of Obstetrics and Gynaecology (2017) found that women who went to sleep on their back in the third trimester were significantly more likely to experience a late stillbirth compared to those who slept on their side.

If you want to understand the full science behind the healthiest sleep positions, a detailed guide on the healthiest position for sleeping is an excellent place to start.

Is It Better to Sleep on Your Left Side or Right Side When Pregnant

Left Side Sleeping Is the Safest Position for Pregnant Women

Sleeping on your left side is widely recommended by midwives and obstetricians worldwide. This position takes pressure off your liver and increases blood and nutrient flow to your placenta and supports your kidneys in flushing out waste properly.

As your bump grows in the second and third trimester, you may find it harder to stay on your side through the night. This is where adjustable beds for pregnancy become genuinely life-changing. A properly configured adjustable bed allows you to elevate your upper body slightly, reducing heartburn and back pressure while keeping you in a safe side position. A programmable side sleeping adjustable bed is specifically designed with pregnant women in mind, helping you maintain the correct posture through the night without effort.

Is Sleeping on Your Right Side Safe During Pregnancy

Right side sleeping during pregnancy is generally considered safe, though less optimal than the left. Some studies suggest that sleeping on the right side for long periods may slightly increase pressure on certain blood vessels. If you wake up on your right side, do not panic. What matters most is your consistent sleep position during the third trimester.

Is It Safe to Sleep on Your Back While Pregnant

Is it safe to sleep on back while pregnant is one of the most searched questions by expectant mothers, and the answer is clear. Sleeping flat on your back after 28 weeks is something nearly every healthcare provider advises against. In this position, the weight of your baby, uterus, and amniotic fluid press down on your spine, intestines, and vena cava. This can cause:

• Dizziness and lightheadedness during the night

• Shortness of breath that disrupts deep sleep

• Reduced oxygen and blood flow to your baby

• Increased pressure on your lower back and digestive system

The NHS also advises pregnant women to go to sleep on their side in the third trimester, noting that going to sleep on their back is associated with a higher risk of stillbirth. This guidance applies to any sleep including naps during the day.

An advanced sleeping system that gently supports side positioning can prevent you from rolling onto your back during the night without you even realising it.

How to Sleep During Pregnancy Third Trimester Without Waking Up All Night

Knowing the right position is one thing. Staying there comfortably through eight hours is another. If you are wondering how to sleep during pregnancy third trimester of pregnancy without constant tossing and turning, here are practical strategies that actually work.

Does a Pregnancy Pillow Really Help With Sleep

Placing a pillow between your knees reduces hip strain and keeps your spine aligned. A wedge pillow under your bump can take pressure off your lower back. Many women find a full-length body pillow to be the single biggest comfort upgrade of their entire pregnancy.

Can an Adjustable Bed Help You Sleep Better During Pregnancy

Standard flat mattresses were not designed for pregnancy bodies. An advanced sleeping system with adjustable positioning lets you fine-tune the angle of your head, torso, and legs to find the exact position that works for your body on any given night. OROMED's advanced sleep systems are built with this very need in mind.

Simple Bedtime Habits That Improve Pregnancy Sleep Quality

Frequent urination is one of the biggest sleep disruptors in pregnancy. Here is what genuinely helps:

• Reduce fluid intake at least two hours before going to bed

• Keep your bedroom cool and dark for deeper uninterrupted sleep

• Avoid screens for at least 30 minutes before bedtime

• Maintain a consistent sleep and wake schedule every day

• Use a supportive pillow setup that holds your position through the night

Can Your Sleep Position During Pregnancy Reduce the Risk of Stillbirth

One of the most important discoveries in modern maternity research is the link between sleep position and stillbirth risk. Studies published in major medical journals have found that going to sleep on your back in the third trimester is associated with a significantly higher risk of late stillbirth compared to sleeping on your side during pregnancy.

A 2019 study published in PLOS ONE, which included more than 1,000 pregnant women, found that a mother’s sleep position during the third trimester is significantly linked to the risk of late stillbirth. The researchers concluded that promoting side sleeping as a public health recommendation could help prevent a considerable number of stillbirths each year. 

This is not meant to cause alarm. It is meant to empower you. The right pregnancy sleep position to avoid stillbirth is on your side, particularly your left, maintained consistently as you approach your due date. Pregnancy sleep position to avoid stillbirth is not just medical advice. It is one of the most actionable steps you can take to protect your baby every single night.

OROMED has developed a purpose-built Stillbirth Alarm System that monitors your sleep position and gently alerts you if you roll onto your back during the night. This non-invasive, non-wearable system works passively while you sleep, giving you and your partner genuine peace of mind. Learn more about the ORO Stillbirth Alarm Sensor  as it is one of the most meaningful investments an expectant mother can make.

Conclusion

Your sleep position during pregnancy is one of the simplest yet most powerful decisions you can make for your baby's safety and your own comfort. Side sleeping during pregnancy, especially on your left side, improves blood flow, reduces back pain, and lowers the risk of serious complications including stillbirth.

As your body changes through each trimester, the right support makes all the difference. An adjustable bed keeps you in the correct position without effort. An advanced sleeping system adapts to your body every single night. And a Stillbirth Alarm System gives you the peace of mind every expectant mother deserves.

You do not have to compromise on safety or sleep quality. Explore OROMED's full range of pregnancy sleep solutions and give yourself and your baby the protection and rest you both deserve every night.

References

1. Heazell A et al. Associations between maternal sleep practices and late stillbirth. British Journal of Obstetrics and Gynaecology, 2017. Available at: bjog.org

2. Gordon A et al. Stillbirth risk and maternal sleep position in a New Zealand population. PLOS ONE, 2019. Available at: plosone.org

3. National Health Service UK. Sleep positions in pregnancy. NHS.uk, 2023. Available at: nhs.uk/pregnancy/related-conditions/common-symptoms/sleep-positions