When you buy through our links, Business Insider may earn an affiliate commission. Learn more The wrong pillow will leave you tossing and turning as you endure another restless night. The next day, you have to deal with neck pain and sluggishness.

You face special challenges as you search for the best pillow for side sleepers. It must provide your body with the right loft to align your spine, bridging the gap between your head and the mattress. I tested over 20 of the best pillows and spoke to several sleep experts for this guide.

The Coop Sleep Goods Original Pillow is our top pick because you can adjust the fill to fit your preferences, and it offers outstanding comfort and support. We suggest the Casper Original Pillow as a budget option. The down-alternative design is about $13 cheaper and balances great support with a plush feel that doesn't lose its loft.

Top picks for pillows for side sleepers Best overall: Coop Sleep Goods Original Pillow - See at Amazon Best budget: Casper Original Pillow - See at Amazon Best for neck and shoulder pain: Eli & Elm Cotton Side Sleeper Pillow - See at Amazon Best cooling: Purple Harmony Pillow - See at Amazon Best down: Brooklinen Down Pillow - See at Brooklinen Best latex: Brooklyn Bedding Talalay Latex Pillow - See at Brooklyn Bedding Best body pillow: Pluto Puff Body Pillow - See at Pluto.