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White hourglass-shaped memory foam knee pillow
BedPose pickBest overall · Lower back pain

Memory Foam Knee Pillow

Keeps hips level so the lower back stops twisting.

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Puts an end to

Lower back pain and stiffness after a night on your side

Woman sleeping on her side with a knee pillow between her knees to ease lower back pain
Woman sleeping on her side with a knee pillow between her knees to ease lower back pain

Why we recommend it for you

When you sleep on your side, your top knee slides forward and down. That pulls the pelvis out of line and twists the lower spine for hours. A knee pillow holds your legs hip-width apart, so the spine stays straight from neck to tailbone.

Key features

  • Contoured hourglass shape that stays between the knees
  • Dense memory foam that keeps its height all night
  • Breathable, removable, machine-washable cover
  • Elastic strap option to stop it slipping

What you'll notice

  • Less morning stiffness in the lower back
  • Hips and knees stop pressing on each other
  • Easier to stay on your side all night
Ready to sleep better?

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Questions people ask

What is the best sleeping position for lower back pain?

On your side with a pillow between your knees, or on your back with a pillow under your knees. Both keep the spine in a neutral line and take pressure off the lower back.

Is sleeping on your back good for lower back pain?

Yes, for many people, as long as a pillow under the knees keeps the lower spine from arching. Without that support, back sleeping can strain the lumbar area.

Should my mattress be firm or soft for back pain?

Research has found medium-firm mattresses often relieve back pain better than very firm ones. Too soft lets the hips sink and twist the spine.

Also good for back pain

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