Hip Pain at Night During Pregnancy: Why It Happens and How a Pillow Can Help

Medically Reviewed By: Mary Bicknell, MSN, BSN, RNC, ANLC

Hip Pain at Night During Pregnancy: Why It Happens and How a Pillow Can Help

Hip pain at night in pregnancy is very common, and in most cases it is manageable. The quick fix is not “one perfect sleeping position,” but better support: keeping your hips and pelvis aligned so one side is not taking all the pressure for hours.

If you’re awake at 2:00 AM and are sore, a pillow setup might be helpful going forward.

For side-sleep support, many moms build their setup around one full-body pillow like the Huggable - U Shaped Maternity Body Pillow to reduce hip compression and make position changes easier at night.

Why Hip Pain Feels Worse at Night

Your body is carrying more weight, your center of gravity shifts, and pregnancy hormones make pelvic ligaments looser, all of which can strain your back and hips (Mayo Clinic).

Pregnant woman showing hip joint changes, pelvic shift, and altered center of gravity.

A lot of “hip pain” in pregnancy is part of pelvic girdle pain (PGP), which means pain around the joints and muscles of the pelvis. It often gets worse with walking, stairs, standing on one leg, or turning in bed (NHS).

This is also why bedtime can be hard:

  • You stay in one position longer.
  • Side sleeping puts pressure on one hip.
  • Rolling over can tug sore pelvic joints.

And yes, sleep-position advice can feel confusing. Current NHS guidance says that after 28 weeks, it’s safest to fall asleep on your side (left or right), and if you wake on your back, just turn back to your side (NHS). A large NIH-funded study found no increase in adverse outcomes from back or side sleeping through 30 weeks, which helps explain why this topic can feel mixed in real life (NICHD).

Pregnant woman awake in bed at night, experiencing hip pain or sleep discomfort during pregnancy.

How a Pillow Helps

A pillow works because it reduces twists and distributes pressure.

When you place a pillow between your knees while side sleeping, it helps align your spine, pelvis, and hips (Mayo Clinic). During pregnancy, adding support under your bump and behind your back can make side sleeping more stable and less painful (Mayo Clinic).

Pillow Setup Comparison

Setup

Best for

How to place pillows

Main benefit

Possible downside

One pillow between knees

Mild hip pain

Place from knees to ankles

Reduces hip rotation and pressure

May slide out overnight

Two-pillow setup

Hip pain + bump pulling

One between knees, one under your bump

Better pelvic and belly support

Slightly harder to turn

Three-point support

Frequently wake up on back

Between knees, under bump, behind back

Most stable side-sleep setup

More bed space needed

Full-length body pillow

Trouble getting comfortable at all

Hug pillow to your front; place lower section between knees

One-piece support, less repositioning

Bulkier and warmer

Tonight’s Action Checklist

  1. Start sleep on your side, especially after 28 weeks (NHS).
  2. Put one pillow between your knees and keep both knees slightly bent.
  3. Add a second pillow under your bump if your lower side feels pulled.
  4. Add a pillow behind your back if you keep rolling flat.
  5. If muscles are tight, try brief low-heat support (with a cloth barrier and low setting) before bed (Mayo Clinic).
  6. If pain keeps building, ask for physical therapy support; pelvic-focused physio is commonly used for PGP (NHS).

When to Call Your Care Team

Contact your maternity provider promptly if hip/back pain comes with:

  • vaginal bleeding,
  • fever,
  • cramping or contractions,
  • burning with urination (Mayo Clinic).

Also contact your team immediately if your baby’s movement is less than usual or changes from your normal pattern (NHS).

FAQ

Q: Is it dangerous if I wake up on my back?
A: Usually, no need to panic. Turn back onto your side and go back to sleep (
NHS).

Q: Does it have to be my left side?
A: No. Left or right side is fine for falling asleep. The key is side sleeping in later pregnancy, not forcing one side all night (
NHS).

Q: Do I need a special pregnancy pillow?
A: Not always. Standard pillows can work well if placed between the knees, under the bump, and behind the back (
Mayo Clinic).

References

Disclaimer

The information provided in this article is for general informational purposes only and does not constitute medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider regarding any medical condition. Momcozy is not responsible for any consequences arising from the use of this content.

Related articles