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Dr. Mascarinas says a medium-firm pillow isbest for side sleepers.

Woman sleeping on her side with dog

ArtistGNDphotography via Getty Images

If your head is sinking deeply into the pillow, its probably too soft.

That’s why we’ve rounded up our top picks.

I was having neck pain with my old pillows, so I decided to try a Nectar.

34 Casper Original Pillow

Pain-free and slept through the night.

I highly recommend these pillows.

This unique combination of materials is also intended to encourage airflow throughout the night.

Sheex Infinite Zen Performance Pillow

Very comfortable and supportive.

I sleep mostly on my sides and it supports my shoulders well, one five-star reviewer wrote.

Two white Nectar Resident Pillow

Brooklinen Marlow Pillow

34 Layla Kapok Pillow

Sealy Essentials Memory Foam Gel Cooling Pillow

White Coop Home Goods The Eden Pillow

Two white DreamCloud Best Rest Memory Foam Pillow

34 Avocado Molded Latex Pillow

Tuft  Needle Down Alternative Pillow Set in white

34 Pillow Cube Side Cube Pro

White Eli  Elm Cotton SideSleeper Pillow

Saatva Latex Pillow

TempurPedic TempurCloud Breeze Dual Cooling Pillow

Ostrichpillow Memory Foam Bed Pillow

Parachute Down Side Sleeper Pillow

Bedgear New Balance Pillow with DriTec