Not Sleeping During Pregnancy? How Lack of Sleep Can Affect Labor and How Pelvic Floor Physical Therapy Can Help
Pregnancy can make getting a good night’s sleep surprisingly difficult. Between finding a comfortable position, getting up to use the bathroom, pelvic or back pain, heartburn, baby movement, and a brain that suddenly wants to think about everything at 2 a.m., restful sleep may feel harder to come by as pregnancy progresses.
While an occasional rough night is a normal part of life, consistently poor sleep during pregnancy may affect more than just how tired you feel the next day. Research has found associations between sleep quality and duration during pregnancy and certain labor and delivery outcomes.
The good news? You don't have to simply accept discomfort and poor sleep as something you have to push through until your baby arrives. When musculoskeletal or pelvic floor symptoms are contributing to restless nights, pelvic floor physical therapy during pregnancy may be able to help.
Why Is It So Hard to Sleep During Pregnancy?
Your body undergoes significant physical and hormonal changes throughout pregnancy, and many of them can interfere with sleep.
As pregnancy progresses, you may experience:
Increased urinary frequency or waking frequently to pee
Low back, hip, or pelvic pain
Pelvic pressure or heaviness
Difficulty finding a comfortable sleeping position
Leg cramps
Heartburn
Shortness of breath
Increased stress or anxiety
Difficulty rolling over or changing positions in bed
Sleep often becomes especially disrupted later in pregnancy as physical changes become more noticeable. Side sleeping is generally recommended during the second and third trimesters, and pillows between the knees, beneath the belly, or along the body can make this position more comfortable.
But what happens when those uncomfortable nights start adding up?
Can Lack of Sleep During Pregnancy Affect Labor?
Research suggests that there may be a connection.
A review examining sleep deprivation during pregnancy found that inadequate sleep has been associated with longer labor, increased perception of pain and discomfort during labor, higher cesarean delivery rates, preterm labor, and increased inflammatory markers. The researchers also emphasized that more research is needed to fully understand these relationships.
One prospective study followed 131 women during their ninth month of pregnancy and found that those sleeping fewer than six hours per night experienced longer labors and were 4.5 times more likely to have a cesarean delivery than those who slept more. Severely disrupted sleep was also associated with longer labor and increased likelihood of cesarean delivery.
More recent research continues to find associations between sleep and delivery outcomes. A 2026 study involving more than 3,000 mothers found that sleeping fewer than six hours in late pregnancy was associated with increased odds of an unplanned cesarean delivery, while poor sleep quality was associated with several delivery outcomes. Importantly, not every measure of sleep disturbance was associated with labor duration or delivery method, showing that this relationship is complex.
This doesn't mean that sleeping poorly will cause a difficult labor or cesarean delivery. Birth outcomes are influenced by many factors, many of which are completely outside your control. Sleep is simply one piece of a much bigger picture.
What Does Sleep Have to Do With Your Pelvic Floor?
Your pelvic floor doesn't exist in isolation.
The pelvic floor works alongside your diaphragm, abdominal muscles, hips, back, and surrounding muscles to support your changing body throughout pregnancy. When pain, tension, positioning difficulties, or bladder symptoms keep waking you up, addressing those underlying issues may make it easier to get comfortable and rest.
For example, someone waking repeatedly because of pregnancy-related pelvic pain may benefit from addressing mobility, muscle tension, positioning, and movement strategies rather than simply trying another pillow.
Similarly, frequent nighttime bathroom trips aren't always completely avoidable during pregnancy—but bladder habits, fluid timing, pelvic floor coordination, and other factors may be worth discussing with your pelvic floor physical therapist.
How Can Pelvic Floor Physical Therapy Help During Pregnancy?
Pelvic floor physical therapy isn't just about doing Kegels.
In fact, your pelvic floor therapist may find that strengthening isn't what you need at all.
At Bonneville Pelvic Health, pregnancy care is individualized based on your symptoms, your body, and your goals. Depending on what is contributing to your discomfort or sleep disruption, treatment may include:
Strategies for comfortable sleeping and resting positions
Hip, back, and pelvic mobility exercises
Pelvic floor relaxation and coordination
Breathing techniques
Gentle strengthening when appropriate
Strategies for pelvic girdle or low back pain
Bladder and bowel habit education
Movement modifications for daily activities
Birth and labor preparation
Regular physical activity is also beneficial for most uncomplicated pregnancies, and exercise during pregnancy has been associated with several positive maternal outcomes. Your healthcare team can help determine what type and amount of activity is appropriate for you.
Pelvic Floor PT Can Also Help You Prepare for Labor
Sleep isn't the only reason to consider pelvic floor physical therapy while pregnant.
As delivery approaches, pelvic floor PT can help you understand how your pelvic floor contracts, relaxes, and lengthens. Rather than focusing only on making the pelvic floor "strong," birth preparation often involves learning how to coordinate breathing and movement and how to allow the pelvic floor to relax when needed.
Your therapist can also work with you on labor positions, mobility, pushing mechanics, and strategies you can use to feel more prepared heading into delivery.
The goal isn't to create a "perfect" birth. There isn't one.
It's to help you better understand your body and give you practical tools you can take into pregnancy, labor, delivery, and postpartum recovery.
You Don't Have to Just Deal With Pregnancy Discomfort
Pregnancy changes your body in significant ways, but pain, discomfort, and sleepless nights don't always have to be something you simply tolerate.
If pelvic pain, hip or back discomfort, bladder symptoms, or difficulty getting comfortable are interfering with your sleep, pelvic floor physical therapy during pregnancy may help address some of the factors contributing to those restless nights.
At Bonneville Pelvic Health, our Doctors of Physical Therapy provide individualized, one-on-one pelvic health care to help you feel heard, guided, and empowered throughout pregnancy and beyond.
If you're looking for pelvic floor therapy in Ogden, Utah, we're here to help you prepare for birth, manage pregnancy-related symptoms, and feel more confident in your changing body.
Written By:
Doctor of Physical Therapy (DPT)
Pelvic Floor Physical Therapist
Specializing in Pregnancy, Postpartum & Pelvic Health
With a passion for supporting women through pregnancy, birth preparation, and postpartum recovery, Dr. Asia is dedicated to helping her patients feel strong, confident, and empowered. She provides compassionate, evidence-based, patient-centered care and is committed to creating an encouraging environment where every individual feels heard and supported throughout their journey.
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