15 Ways To Stop Pregnancy Nausea From Ruining Your Sleep

Surprise: Morning sickness is not as punctual as its name implies. In fact, pregnancy nausea can strike at any time of day—and yes, it can mess with your sleep, too.

"Morning sickness (which starts between the fourth and sixth week of pregnancy) isn’t limited to mornings and can occur day or night," explains Lena Bakovic, MS, RDN, CNSC, a registered dietitian nutritionist and certified nutrition support clinician at VNutrition. "Nighttime nausea can be particularly disruptive, making it difficult to fall asleep or contributing to frequent waking throughout the night—I speak from my own personal experience!"

So, how can you reclaim your rest and keep nausea in check? Up ahead, we're diving deep into what triggers nighttime nausea, practical strategies for better rest, and guidance on when it’s important to reach out to a healthcare provider.

What is mid-sleep nausea, and what are its symptoms?

It’s not unusual to experience nausea in the middle of the night, especially during the first trimester. According to Brittany Brown, RD, IBCLC, a registered dietitian and lactation consultant, one cause is rapid shifts in hormone levels.

"Rising estrogen levels can decrease our appetite at a time when blood volumes are rapidly increasing and blood pressure is often struggling to keep up," notes Brown. "As the body tries to re-establish its equilibrium, nausea can be a side effect."

Low blood sugar can also be a quiet culprit. "Going too long without eating food can cause blood sugar levels to drop, which often worsens nausea," Brown points out. "An empty stomach can also increase acid production and worsen nausea, while a very full stomach can slow digestion and trigger reflux. Both extremes make it harder to sleep comfortably and, unfortunately, increase nausea overnight."

Then, there's the heightened sense of smell pregnancy brings. "Pregnancy also heightens your sensitivity to smells, so if you’re exposed to lingering scents through cooking or body products in the evening, they might trigger nausea during sleep," Brown warns.

And mid-sleep nausea is not just an early pregnancy thing—later on, a growing baby adds literal pressure.

"Throughout late pregnancy, as your baby is growing and putting more pressure on the expectant parent’s organs, it’s not uncommon that acid reflux, digestion difficulties, and increased effort needed to breathe, all of which cause nausea and abdominal pain," Brown explains. "Let’s not forget that in late pregnancy, a squirming baby can put extra pressure on blood flow, causing waves of nausea, too."

If you're struggling with sleep, Bakovic advises consulting your physician. "Inadequate sleep during pregnancy can lead to increased tiredness, mood swings, brain fog, and a range of uncomfortable symptoms—including nausea," she says.

Other common triggers for nighttime nausea

Nighttime nausea also has some hidden causes you might not suspect. Beth Conlon, PhD, RDN, a pediatric and family dietitian, explains that the simple act of lying down can stall your digestion, causing food to linger in your stomach and increasing the risk of queasiness.

Food choices are important, too. "Heavy meals, greasy and/or spicy foods are harder to digest—especially if you head straight to bed after eating," she warns. "These foods may bring on both heartburn and nausea at night."

Don't overlook your prenatal vitamins, either. While they are crucial, Conlon notes that taking them on an empty stomach before bed can make nausea worse. "Try pairing your vitamins with a snack or meal, and ask your provider if a lower-iron option or different timing may help," she suggests.

On a related note, Kelly Guerrero, a maternal-fetal specialist at St. Joseph's Medical Center in New Jersey, adds that different formulations of prenatal vitamins may be better tolerated if the nausea persists. "However, it is very important to discuss these options with your obstetrical healthcare provider," she says.

Finally, underlying digestive issues often play a role as well. According to Conlon, conditions like gastroesophageal reflux disease (GERD) and acid reflux (heartburn) frequently worsen at night, as lying down can let stomach acids move up into the esophagus and trigger discomfort. To reduce this risk, she recommends eating smaller meals and avoiding spicy or fatty foods.

Immediate treatment options and hacks for mid-sleep nausea relief

When nausea strikes in the middle of the night, reach for these fast-acting tips to start feeling better fast.

Stay hydrated

During pregnancy, hydration is essential, but the way you drink matters just as much as how much. Registered dietitian Amy Chow, RD, advises sipping room-temperature or chilled fluids slowly.

"Small amounts of water help with hydration without overwhelming your stomach, which can sometimes set off nausea," says Chow. "Water and clear liquids are also easier to digest and pass through quicker."

And while that steaming cup of tea might sound soothing, Chow recommends sticking with colder beverages: their gentler aroma can make them easier to stomach when you're feeling nauseous.

Keep your bedroom cool and comfortable

Next, set the stage for restful sleep. Pregnancy often heightens your sensitivity to heat, and as Guerrero points out, even mild overheating or stale air can set off nausea.

Her advice? Keep your bedroom cool, airy, and well-ventilated. "This helps regulate body temperature and create a comfortable environment," she explains. "Good air circulation can also help reduce the buildup of odors that can trigger nausea."

Eat bland foods

Sometimes the best cure for nausea is to eat food that’s simple and bland. Chow recommends crackers and bread, which are low in acid and are easier for the stomach to digest.

"An empty stomach can set off or worsen nausea," says Chow, "so eating small amounts of dry, bland foods can help ease that discomfort. They can also steady your blood sugar, which is another cause of overnight or early-morning nausea."

Try ginger

When nothing else seems to settle your stomach, ginger may be worth a try. After all, Chow suggests that the root has long been valued for its natural ability to ease nausea.

"Ginger contains bioactive compounds that inhibit receptors involved in nausea and vomiting pathways, which is why it’s often used for its anti-nausea properties," she explains. "Ginger tea, ginger ale made with real ginger, as well as candies or chews, are pregnancy-safe natural remedies that can help calm the stomach and reduce nausea."

Sit upright

Another instant hack: change your position when you are feeling nauseous. Chow suggests sitting upright to allow gravity to help settle your stomach. “It lessens abdominal pressure, which can significantly ease nausea,” she adds.

Preventative hacks for a nausea-free night

A little preparation can help spare you from mid-sleep nausea. Try these quick hacks before turning in for the night.

Be mindful of when you eat and drink

Shira Sussi, MS, RD, CDN, a registered dietitian nutritionist, suggests giving your stomach some time to settle before hitting the pillow.

“A big meal right before bed forces your body to burn energy digesting it, which can keep you tossing and turning,” she says. “If you’re still hungry, choose something light but protein-rich.”

Your nighttime hydration habits matter, too. Sussi advises skipping caffeine after your morning cup and winding down instead with a decaf herbal tea —think chamomile, lemon balm, or peppermint, all well-known for promoting sleep.

Eat consistently

Malina Malkani, MS, RDN, CDN, owner of Malina Malkani Nutrition and author of Safe and Simple Food Allergy Prevention, says another way to help prevent nausea is to eat consistently throughout the day.

"Eating every two to three hours can help manage the ‘queasies’ by helping you avoid the nausea triggers that come from feeling both too hungry and too full," she explains.

Elevate your head

You can also consider gravity your ally. Pregnancy hormones can relax the muscle that keeps stomach acid where it belongs, says Guerrero, making acid reflux—and the burning, nausea-filled discomfort it brings—more likely if you lie completely flat.

"Lying flat allows the stomach acid to flow back into the esophagus, causing heartburn, a burning sensation, nausea, and significant discomfort," she explains.

Her fix: sleep with your head and upper body slightly elevated. "Elevating the head and/or upper body helps gravity keep stomach acid down and promote better sleep," she says. "A few extra pillows or a wedge pillow can work wonders for keeping everything settled while you rest."

Dietary hacks to manage nighttime nausea

Need more dietary hacks to manage nighttime nausea? Some of the tips below may surprise you.

Make protein your friend

According to Malkani, meals that include protein are often linked to fewer symptoms of nausea and vomiting during the first trimester. Pairing protein with carbohydrates can be even more effective, as it helps keep blood sugar levels steady by slowing digestion—reducing the likelihood of sudden waves of feeling sick.

“Keep a stash of easy protein options on hand—like roasted edamame, single-serve hummus containers, nuts and seeds, or yogurt,” she suggests.

Cool it down

If warm meals turn your stomach, the fridge might become your secret weapon.

"For many women, cold foods are tolerated better, perhaps because colder food temperatures tend to have milder aromas, making them less likely to trigger nausea," explains Malkani. "Options including chilled smoothies, cold fruits, and tangy homemade citrus popsicles are instantly cooling and refreshing and can feel more manageable on a woozy day."

Turn to citrus scents and flavours

"Citrus scents and flavours act like a little wake-up call for the taste buds, which can help distract from and cut through nausea," says Malkani. "Try adding a fresh lime wedge to water, or brighten a salad or soup with a squeeze of fresh lemon juice."

Keep cooking smells in check

When you’re feeling nauseous, certain food aromas—especially strong cooking smells—can make things worse, even if they’re scents you once enjoyed, says Malkani.

To help, she suggests opting for meals that don’t require cooking, such as sandwiches, cold salads, or overnight oats, or stick to mild ingredients that keep your kitchen air nausea-friendly.

Lifestyle hacks for better sleep and less nausea

Try these simple lifestyle shifts to help you rest easier and keep nausea at bay.

Move your body

“A leisurely stroll post-meal, light prenatal yoga, or even some easy stretches are all smart ways to manage nausea and cultivate deeper, more restful sleep,” says Conlon.

Manage stress

Stress can set off your body’s fight-or-flight mode, which Sussi notes may sometimes make nausea more prominent.

To help keep stress in check, she suggests gentle practices like deep breathing, meditation, easy yoga, or simple stretching. "These small moments of calm can encourage your body to shift into a more relaxed state, easing the signals that can stir up nausea," she explains.

Take care of your oral hygiene

Whenever you vomit, those acidic stomach contents make their way into your mouth, and over time, that acid can wear down the delicate enamel on your teeth," Sussi notes.

This dental damage isn’t the only consequence; as Sussi adds, there’s also an unpleasant aftermath. "The bitter taste left behind can linger for hours and, in some cases, even trigger another wave of nausea."

When to seek medical advice

There are times when it is best to seek medical advice for pregnancy-related nausea.

According to Dr. Kecia Gaither, MD, MPH, FACOG, a double board-certified OB/GYN and maternal-fetal medicine specialist at NYC Health + Hospitals/Lincoln in the Bronx, it is advisable to see your doctor for pregnancy nausea if it is associated with persistent vomiting, weight loss, or an inability to keep food or liquids down.

She explains, “Prolonged vomiting can lead to dehydration, electrolyte disturbances, nutrient deficiencies, and in severe cases, neurological complications.”

Some other warning signs that warrant medical attention include:

• Severe or persistent nausea and vomiting
• Signs of dehydration
• Starting to lose weight
• Any new or worsening symptoms

The bottom line

If you’re pregnant and finding that nausea kicks in just as you’re trying to sleep, you’re not alone. Hormonal changes, a heightened sense of smell, mealtime choices, and even when you take your prenatal vitamins can all play a role.

However, there is relief. Simple fixes—like staying hydrated, eating bland foods, and making a few low-effort lifestyle tweaks—can sometimes make a difference.

But as Conlon reminds us, every pregnancy is different. “Notice what helps (and what doesn’t), be flexible with your routines, and don’t hesitate to reach out for professional support if nausea is making it hard to get the sleep you need," she says.

Experts

• Lena Bakovic, MS, RDN, CNSC, is a registered dietitian nutritionist and certified nutrition support clinician at VNutrition.
• Brittany Brown, RD, IBCLC, is a registered dietitian and lactation consultant.
• Beth Conlon, PhD, RDN, is a pediatric and family dietitian.
• Kelly Guerrero is a maternal-fetal specialist at St. Joseph's Medical Center in New Jersey.
• Amy Chow, RD, is a registered dietitian.
• Shira Sussi, MS, RD, CDN, is a registered dietitian nutritionist.
• Malina Malkani, MS, RDN, CDN, is the owner of Malina Malkani Nutrition and author of Safe and Simple Food Allergy Prevention.
• Dr. Kecia Gaither, MD, MPH, FACOG, is a double board-certified OB/GYN and maternal-fetal medicine specialist at NYC Health + Hospitals/Lincoln in the Bronx.