How to Fluff a Flat Pillow and Restore Its Loft at Home

By Adjustable Pillows & Quality Sleep Products | Coop Sleep Goods | Published: 2026-10-14

Category: How-to Guides

A step-by-step routine to revive flat pillow filling at home, from checking the fill to adding loft, so your bed pillow feels supportive again.

Quick answer

To make a flat pillow fluffy again, first check whether the fill is clumped or simply compressed. If the fill is still intact, break up clumps by hand, fluff the pillow from the corners toward the center, and let it air out. If the fill has permanently flattened, add compatible loose fill through the pillow's access zipper. Adjustable pillows like the Eden Adjustable Pillow make this easier because you can add or remove fill without cutting the seam.

Why pillows go flat (and when fluffing alone won't work)

Most flat pillows fail for one of two reasons. The first is compression: body weight and moisture push the fill together overnight, and it stays matted until you break it apart. The second is fill breakdown. Memory foam and microfiber can lose their spring over time, and no amount of shaking will bring back loft that the material no longer has. Check which problem you have before you start. Squeeze the pillow at the center. If it springs back but feels thin, you can likely revive flat pillow filling with the steps below. If it stays folded or feels like a pancake with no resistance, you need to add fill or replace the pillow.

What you need before you start

Gather a few basics: a clean, dry surface, a pillowcase or liner you can remove, and a source of compatible loose fill if your pillow has an access zipper. Do not use a random bag of craft foam or shredded fabric; it may clump, shift, or void the pillow's certifications. If your pillow has a washable cover, check the care tag first. The Eden Adjustable Pillow, for example, uses a machine-washable Lulltra cover and includes extra fill, so you can top it up without buying anything else. For pillows without an access zipper, you can still fluff and air them, but you cannot add fill.

How to fluff a flat pillow: step-by-step

1. Remove the pillowcase and check the fill: Unzip or remove the outer pillowcase. Squeeze the pillow from the center outward. If you feel hard clumps, the fill has bunched up. If it feels evenly thin, the fill is compressed but intact. Checkpoint: if the fill feels like loose sand or crumbs, stop here and replace the pillow; fluffing will not fix broken-down fill.
2. Break up clumps by hand: Knead the pillow with both hands, working from the corners toward the center. Pinch and roll any hard spots between your fingers until the fill feels loose again. Do this over a clean surface in case any fill escapes. Common mistake: shaking the pillow first. Shaking moves clumps to one end instead of breaking them apart.
3. Fluff from the corners toward the center: Hold the pillow by two corners and push the fill toward the middle with your free hand. Repeat on the opposite corners. This redistributes fill evenly instead of leaving the edges empty. Checkpoint: the pillow should feel balanced when you set it down, with no heavy side.
4. Add fill if the pillow is still flat: If your pillow has an access zipper, open it and add a small handful of compatible fill at a time. Close the zipper and test the loft before adding more. The Eden Adjustable Pillow includes extra fill for exactly this purpose. Common mistake: overstuffing. Add in small amounts; you can always add more, but removing fill is messier.
5. Air the pillow out: Place the pillow in a dry, well-ventilated spot away from direct sun for a few hours. This lets moisture evaporate and helps the fill regain its bounce. If the cover is removable and washable, wash it according to the care tag while the inner pillow airs. Checkpoint: if the pillow still smells musty after airing, wash the cover and consider whether the inner fill needs replacing.
6. Test the loft before bed: Lie down and check that your neck feels supported, not propped up or strained. Side sleepers usually need more loft than back sleepers. If it feels too high, remove a handful of fill; if too low, add a little more. Next step: adjust until your head, neck, and spine feel roughly aligned, then put the pillowcase back on.

Product facts that matter for fluffing

Eden Adjustable Pillow: Proprietary blend of medium-soft cooling gel bead-infused memory foam-and-microfiber fill, with extra fill included. You can add the included fill to restore loft instead of replacing the pillow.
Eden Adjustable Pillow: Interlocking dual-case system for easy adjustment and a machine-washable Lulltra cover. You can open the inner case, redistribute or add fill, then wash the outer cover to keep the pillow fresh.