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. You can try it tonight with a pillow you already own, before you spend a dime.
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 for 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 fiber: how each feels, what "cooling" really means, and how to wash it.
Read the guide →Knee pillow listings, by the numbers
What the best sellers do and don't tell you: missing thickness, "cooling" covers, foam claims with no figures.
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. Here 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, and each one is labeled stated, worked out or unclear. All the findings · How we research.