Best Prime Day pillow deals: Up to 47% off favorites from Coop, Purple, Eli & Elm

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When was the last time you replaced your pillows? If you're racking your brain, trying to remember, it's officially time to upgrade. Amazon Prime Day is the best time of the year to find the best deals of the summer on a selection of the best pillows.

Our favorite pillow of all time, the Coop Sleep Goods Original Adjustable Pillow, is 20% off for Prime Day. It's filled with a propriety blend of shredded memory foam and microfiber that can be adjusted to your liking, makes it's a great pillow for all sleep positions. If you're a side sleeper who's tried everything The Eli & Elm Side Sleeper pillow, is also worth checking out with its 20% off coupon; it features a unique contoured design to help alleviate neck pain & promote spinal alignment when lying on your side. It's the best pillow for side sleepers with back and neck pain.

See all of the latest Amazon Prime Day pillow deals and check out our hub for the best Prime Day deals.

The best Amazon Prime Day pillow deals

These are the best deals from brands we've tried and loved while testing for our best pillows guide.

What are the best pillows?

The best pillow depends on your sleep type and personal comfort preference. If you love a fluffy feel, you'll appreciate the softness of one of our best down pillows. If you're a hot sleeper or struggle with pain, it's worth considering a cooling pillow or a pillow for neck pain, respectively.

Our favorite pillow of all time is the Coop Sleep Goods Original Adjustable Pillow. You can add or remove fill to find the perfect feel for you. We also love the Beckham Hotel Collection pillow for a budget option, and the Brooklinen Down Pillow for five-star comfort.

How do I choose a pillow?

When choosing a pillow, consider your sleep style and comfort preferences. The goal of using any pillow is to keep your spine aligned and comfortable, so needs shift based on sleep position.

Side sleepers should look for a firm, high-loft pillow that supports the head and neck. Back sleepers should opt for a medium-firm pillow with mid-loft. Stomach sleepers should look for a soft, low loft pillow. For more, read our how to choose a pillow article.

Shopping for more discounts today? Check out our roundup of all of the best Prime Day deals or browse Amazon's website for the full selection.