Wake up aligned, not aching
Sidewell sits between your knees to keep your hips, knees and spine in one straight line, so your lower back isn’t twisting all night.
- Memory foam core
- Stay-put leg strap
- Aligns hips & spine
- Washable cover
Why Sidewell
Small pillow, big difference
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Keeps knees apart
Stops your knees pressing together, so your top leg stays level and your lower back can relax.
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Eases hip pressure
The contoured shape cradles your knees and keeps your hips level, not twisted.
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Stays put all night
The leg strap keeps the pillow in place as you shift, so your alignment holds until morning.
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Wake up refreshed
No more working out the stiffness each morning. Just get up and go.
The Sidewell difference
Why side sleeping can leave you stiff
Most side sleepers blame the mattress. The real problem is where your top leg ends up after a few hours, and what that does to your hips and lower back.
The Problem
When you lie on your side, your top knee slides forward and down. That small drop rotates your pelvis, pulls on your lower back, and presses your knees together, and it holds that position for seven or eight hours. It’s why so many side sleepers wake up stiff and blame the mattress.
How Sidewell Helps
Sidewell sits between your knees and keeps your top leg level with your hip. Your legs stay stacked, your pelvis stays straight, and your spine stays in line, so your lower back isn’t straining all night. It also cushions your knees and ankles so sore joints aren’t pressed bone-on-bone. The result is fewer wake-ups and easier mornings.
Made For Every Side Sleeper
- Back and hip pain: keeps your pelvis level so your lower back can relax.
- Sore or arthritic knees: a soft barrier between your joints.
- Restless sleepers: roll onto your back and move it under your knees for the same relief.
- On the go: light enough to pack for trips.
The Sidewell knee pillow
Sidewell Align Knee Pillow
A contoured pillow that sits between your knees, keeping your hips, knees and spine in line while you sleep on your side.
Free shipping · 30-night returns
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Who is the Sidewell pillow for?
Anyone who sleeps on their side and wakes up stiff or sore, especially in the lower back, hips or knees. It keeps your legs stacked so your spine stays straight, and it cushions your knees so they aren’t pressed together all night. If you switch to your back during the night, it works under your knees too.
How do I clean it?
The cover unzips and comes off for easy washing.
Will it stay in place while I sleep?
Yes. The elastic leg strap keeps the pillow where you put it, even when you shift or turn in the night.
Which color should I choose?
Pick whatever suits your bedroom. Every color has the same shape, support and washable cover. Gray and Sapphire hide everyday wear best, while Blue, Sage and Pink are a softer look.
What if this isn't right for me?
Give it a few nights first, because your body may need a short adjustment to sleeping straight. If it still isn’t for you, you have 30 nights to return it for a full refund.
Ready to wake up aligned?
Try Sidewell for 30 nights. If your mornings don’t feel better, send it back.