Zanotti says it’s also important to comfort women who already have enough on their minds. I think most women, even if they were back sleepers, can be comfortable sleeping with just that bit of an angle.” “Even if you can be on a 20- to 30-degree angle, that’s going to relieve any potential pressure on your inferior vena cava. “As long as you’re not flat on your back, you’re going to be fine,” she says. That way, even if you do roll over, you’re on a bit of a tilt. She suggests putting a pillow between your back and the mattress as insurance. So what’s an already uncomfy expectant mother to do? After 20 weeks of pregnancy, try not to spend the entire night on your back, Dr. Listen to your body.” The best advice for moms-to-be “So if you’re on your back and having a little trouble breathing or maybe your heart is beating faster, it’s your body’s way of saying you need to roll over on your side. “Often times, your body is going to tell you something isn’t right and that will make you move around,” she says. When women are far along in their pregnancies, they’ll get light-headed or not feel right if they’re on their backs for long periods of time, Dr. “The hard part is we can’t really quantify exactly how much is ‘safe time’ and what it really does.” “We do know that short periods of time ―even if you were on your back for an hour or two ― probably do no harm to your child,” she says. Zanotti reassures expectant mothers not to stress if they accidentally find themselves on their backs for a brief spell. That’s where these studies are faulted because you can’t weed out all those things.” Quantifying it is the tricky partĭr.
“A lot of women who are back sleepers may be snorers or have sleep apnea.
Plus, she adds, there are many factors involved in pregnancy, so it’s really hard to say one thing causes stillbirths or other problems. “But most women don’t sleep the entire night without getting up at that point in pregnancy ― even if they wish they could,” Dr. Zanotti says these and similar studies were small, not randomized and shouldn’t be taken as definite proof.įor instance, the studies looked at women who spent all night on their backs and never got up to go to the bathroom. Researchers in New Zealand found that there was a potential increased risk of stillbirth for women who slept the entire night on their back. That means you’ll have less blood flow to yourself and the baby.” So what can this actually do? “So the thought is if you have anything large that’s pushing against the blood flow return, you’ll have less blood flow to your heart. “This big blood vessel is what brings blood flow back to your heart,” Dr. But how bad is it really? The why behind the warningsĪs your uterus gets larger (usually by the time you’re 20 weeks ― that’s five months ― along), it’s big enough that it lies on top of your inferior vena cava, if you’re lying on your back, explains Cleveland Clinic Ob/Gyn Salena Zanotti, MD. After all, every single pregnancy book you’ve read has advised against it. (Heck, who are we kidding? Someone else can do that one permanently!)īut then ― without even meaning to ― you woke up and had a groggy (and panicked!) realization: You were sleeping on your back. You take your prenatal every evening like clockwork. We do not endorse non-Cleveland Clinic products or services. Advertising on our site helps support our mission. Cleveland Clinic is a non-profit academic medical center.
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