4 Pregnancy Sleep FAQs, Answered

Getting a good night's sleep while pregnant can seem almost impossible. However, these tricks allow you to catch some blissful zzz's—and in the safest way possible. 
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When Niki Chave, of Columbus, Ohio, was pregnant, the first-time mom-to-be had a tough time sleeping. She was scared to take any medication to help her rest and she did her best to fall  asleep on her left side. "I'd heard that position is best for the baby," she says, "so I panicked whenever I woke up on my back." About 80 percent of expectant moms have sleep challenges, according to the National Sleep Foundation. Getting enough rest is a paradox. "You're more tired than ever, yet you can't get comfortable," says Louise O'Brien, Ph.D., associate professor of obstetrics and gynecology at the University of Michigan, in Ann Arbor. You also have to be careful about how you woo the sandman. Our expert answers to the following questions can help you rest easy. 

What's the Safest Sleep Position While Pregnant?
You may have heard, as Chave did, that you shouldn't sleep on your back, especially during the second half of pregnancy. The reason: the inferior vena cava—the big vein that returns blood from the lower part of your body to your heart—may be compressed by your uterus, resulting in symptoms like sweating, nausea, and dizziness for you, and a potentially reduced blood flow to your baby. This is true—to a point. Many doctors recommend sleeping on your left side, if you can; it helps blood flow more easily. But here's a reality check: Most pregnant women spend some time sleeping on their back, says Dr. O'Brien, whose study on sleep positions during pregnancy was published in Early Human Development. And chances are it's nothing to stress about. (While a recent study published in Obstetrics and Gynecology suggested a connection between back sleeping during late pregnancy and stillbirth, the risk was mainly in pregnancies where the fetus had additional problems.) A bigger issue for many pregnant women is that back sleeping is uncomfortable. To promote safe and restful sleep, try tucking a pillow between your legs or use one to support your belly as you lie on your left side, or place one behind the small of your back so you're not sleeping flat. You can also prop a pillow wedge under your right hip so that the weight of your uterus tilts toward the left side. 

May I Take Something for My Stuffy Nose?
Unfortunately, doctors generally don't recommend taking a decongestant when you're pregnant. This can be a bummer because the high estrogen levels during pregnancy can swell your nasal membranes and can make some women feel congested. This condition, known as pregnancy rhinitis, makes it harder to breathe, especially while lying down. Decongestants constrict blood vessels, which reduces blood flow to the nasal passages—and to the placenta, says Erika Nichelson, D.O., an ob-gyn with Mercy Medical Center in Baltimore. They may also cause your blood pressure to rise. Instead of meds, try these tricks: "Elevate your head with an extra pillow, put a humidifier in the room, and use a saline nasal spray to moisturize nasal passages," says Parents advisor Judith Owens, M.D., director for Sleep Medicine at Boston Children's Hospital. 

How Can I Manage My Nighttime Heartburn?
Many expectant women develop heartburn, especially in the second and third trimesters. Blame pregnancy hormones and your growing uterus, which can cause stomach acid to back up into your esophagus. Antacids are typically safe to take once you're past the first trimester, but check with your ob-gyn first. If over-the-counter meds don't help, your doctor may recommend a prescription medication. You can also try eating five or six small meals throughout the day instead of three larger ones (avoid heartburn triggers such as fried foods, chocolate, garlic, onions, and acidic fruits) and elevating your head with an extra pillow at night.

Is it Ever Safe to Take Sleep Medicine?
Unless your doctor specifically recommends it, you should avoid sleep aids, even natural ones like melatonin. "There aren't sufficient studies to show that it's safe to take while pregnant," says Dr. Nichelson.That's true of prescription sleep meds too. Instead, try changing up your bedtime routine. Take a warm bath and avoid using devices like e-readers or smartphones shortly before sleep; the light can interfere with your body's natural production of melatonin.

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