The Side Sleeper
Never slept with a pillow between your knees?
Lying on your side, your top knee drops onto the bottom one and twists your hips and lower back out of line for hours. A pillow between your knees stops that. See what it does, who it helps, and how to try it tonight with a pillow you already own.
Why sleep with a pillow between your knees →Guides
Why sleep with a pillow between your knees?
New to knee pillows? What one does, who it helps, and how to try it tonight for free.
Read the guide →How thick should a knee pillow be?
A five-minute towel test finds your number. Then match it to what’s on sale.
Read the guide →Pillow between your knees hurts your hips?
Too thick, too thin or too short: how to tell which, and the fix.
Read the guide →How to use a knee pillow
On your side, on your back, strap or no strap, and keeping it in place.
Read the guide →Knee pillow vs body pillow vs a regular pillow
Size, weight, price and job side by side, and when the free option is enough.
Read the guide →Knee pillow shapes, explained
Hourglass, heart, wedge, long or full-leg: how each holds your knees, and which suits you.
Read the guide →Knee pillow fillings, explained
Memory foam, shredded foam or fibre: how each feels, what “cooling” really means, and how to wash it.
Read the guide →Knee pillows compared
The best sellers side by side: thickness, size, strap, cover and price.
Read the guide →Every shape, side by side
Open the comparison →Knee pillows come in more shapes than you'd guess. These are the 25 best sellers in the comparison table, grouped by shape. What each shape is for →
- Hourglass6 pillows
- Contoured wedge5 pillows
- Full-leg3 pillows
- Heart3 pillows
- Long (thigh + knee)2 pillows
- Body pillow1 pillow
- Butterfly1 pillow
- I-shape1 pillow
- Round1 pillow
- Adjustable (inserts)1 pillow
- Soft cushion1 pillow
What the listings don't tell you
Every number on this site comes from the listing or the manufacturer, with a label that says whether it was stated, worked out or unclear. How we research.