The 5 Best Pillows for Side Sleepers in 2026 (Tested for Neck & Shoulder Pain)

Most pillows are built for back sleepers. On your side, your neck has to bridge a bigger gap and your shoulder carries your upper body all night. Here's what actually held up.

Best pillows for side sleepers compared side by side

On your side, two things go wrong at once. Your neck has to bridge a wide gap between your head and the mattress, so it bends all night if the height is off. And your shoulder gets pressed into the mattress under your body weight. You wake up with a stiff neck, a sore shoulder, or both.

We tested 18 pillows and analyzed more than 1,800 customer reviews. Here are the 5 that side sleepers ask about most, ranked on what matters when you sleep on your side.

What we looked for
  • The right height: about 4 to 6 inches for most adults (more for broad shoulders), so your neck stays straight
  • Room for your shoulder: a real cutout, so it isn't crushed into the mattress
  • A cervical contour: so your neck keeps its natural curve
  • Foam that holds its shape: soft pillows sink overnight and put you back out of line
Our #1 pick for side sleepers
1

Align Pillow™

Best for: side sleepers with neck or shoulder pain

Side sleeper on the Align Pillow, shoulder tucked into the butterfly cutout
Neck alignmentExcellent
Side supportExcellent
Shoulder reliefVery good
  • Cervical contour and butterfly cutout in one pillow
  • 3 sizes (Standard, Plus, Elite) matched to your shoulder width
  • Molded high-density foam that held its shape throughout testing
  • Works on your side and your back
  • Takes 2-3 nights to get used to

The only pillow in our test that combines the right height for your frame, a real cervical contour, a shoulder cutout and foam that doesn't sink. Your neck stays straight and your shoulder has somewhere to go, all night.

It supports my head and neck while side or back sleeping, and I haven't woken up with neck pain or headaches for two weeks since getting it.

Kellie A. · US

I had terrible shoulder pain for months from sleeping on my side. This pillow helped me overnight! I tried other pillows before, but this one actually works.

Stacy · Verified buyer
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2

Groove Original Pillow

Best for: trying a cervical shape on a budget

Groove Original Pillow
Neck alignmentVery good
Side supportGood
Shoulder reliefGood
  • Cervical dip with a shoulder cutout
  • 100-night trial
  • Too thin for most side sleepers: your head drops and your shoulder still gets crushed
  • Loses structure down the centre after a few months
  • One size only

The right idea, and it works for the first few weeks. Then the foam gives way and the neck pain comes back. With broader shoulders, your head sits too low and your neck bends all night.

3

Elviros Cervical Pillow

Best for: a low-risk first try of the butterfly shape

Elviros Cervical Pillow
Neck alignmentGood
Side supportGood
Shoulder reliefGood
  • Butterfly cutout for side sleepers
  • Budget-friendly
  • Foam too soft and low, many need a second pillow underneath
  • Pilling after the first wash, loses shape within months

The design is right, the foam isn't. It can't hold the height your neck needs on your side, and the support you get on day one is gone within a few months.

4

Tempur-Pedic Neck Pillow

Best for: back sleepers who want premium foam

Tempur-Pedic Neck Pillow
Neck alignmentVery good
Side supportGood
Shoulder reliefPoor
  • Excellent, very durable TEMPUR foam
  • Contoured cervical support
  • No shoulder cutout, side sleepers get compressed
  • Single height
  • 90-day trial

A strong choice if you only sleep on your back. On your side, there's nowhere for your shoulder to go: it gets crushed and pushes your neck out of line, so you wake up sore in both.

5

Coop Eden Pillow

Best for: people who want a customizable, soft pillow

Coop Eden Pillow
Neck alignmentPoor
Side supportFair
Shoulder reliefPoor
  • Adjustable fill to set your height
  • 100-night trial and 5-year warranty
  • Flat shape, no cervical contour
  • No shoulder cutout

Comfortable, but comfort isn't support. Without a contour or a cutout, your neck muscles still work all night to hold you in line.

At a glance

PillowNeck contourShoulder cutoutHeightHolds shape
AlignYesYes3 sizesYes
GrooveYesToo thin1 sizeNo
ElvirosYesYesToo lowNo
TempurYesNo1 sizeYes
CoopNoNoAdjustableYes

What side sleepers say

Quick questions

What makes a pillow good for side sleepers?

Enough height to keep your neck straight, room for your shoulder, a cervical contour for your neck's natural curve, and foam dense enough to keep that shape all night.

I switch between my side and my back. Will it work?

Yes. The cutout is on both sides for whichever shoulder you roll onto, and the cervical contour supports your neck when you're on your back.

Which size do I need?

Plus suits smaller or slimmer builds, Standard fits most people, and Elite is for broad shoulders or restless sleepers. Not sure? The 60-second quiz picks it for you.

What if it doesn't work for me?

You get 100 nights to try it at home. If it's not for you, you get refunded, and you don't need to send anything back.