Best CPAP pillows for side sleepers — ranked by how well the cutouts actually clear your mask

The Lunderg is where most CPAP side sleepers should start, and the reason is that it gets all three fundamentals right at once. The mask cutouts on both side edges are deep enough to clear full-face frames — the hardest test, since nasal and nasal-pillow masks need less room — so it works whichever mask style your therapy uses. A removable memory foam layer gives you two heights, which matters more for side sleepers than anyone: broad shoulders need the taller setting to keep the neck level, narrower builds drop the layer. And it ships with two pillowcases cut to match the contour, a small thing that owners mention constantly because a standard case stretched over a cutout pillow fills in exactly the recess you paid for.

It has become the most-reviewed pillow in the category on Amazon, and the owner consensus tracks the spec sheet: side sleepers report the mask floating free where a normal pillow pressed it into their cheek. The trade-offs are the category's trade-offs — the foam is firmer than a plush standard pillow so the cutouts hold shape, the sculpted contour takes a few nights to find your spot on, and on maskless naps the cutouts feel like odd missing corners. At $79 it's the priciest of the three cutout picks here, but it's also the safest first buy. Best for any side sleeper with a full-face or nasal mask who wants the proven default.

Contour effectively invented the CPAP pillow, and the CPAPMax 2.0 is the category's most adjustable design. It's two pillows in one: flip it for a plush fiberfill feel or a memory foam feel, so the firmness argument that dogs every other CPAP pillow becomes a choice instead of a compromise. Underneath, removable layers let you step the height down to match your frame — a genuinely better system than the Lunderg's single removable layer if you're between sizes or your ideal loft sits in the middle. Mask cutouts on both side edges handle the geometry, and a hose tether routes your tube up past the crown so rolling over pulls slack instead of tugging the cushion off your face — a detail most rivals skip and one of the quieter causes of 3am leaks.

The trade-off for all that configurability is fuss: the layer system means there's some assembly to your bedding, and the plush fiber side packs down over time in a way the foam side doesn't. But if the Lunderg's two heights aren't enough range — very broad or very narrow shoulders, or you just want to dial it in precisely — this is the pillow with the most dials. Best for side sleepers who want maximum height tuning and built-in hose management, and anyone torn between plush and foam.

The Endurimed is the take on the core fix — cutout geometry — that owners most often describe as firm. It's a single piece of dense, contoured memory foam with mask recesses carved into both side edges, and that density is its quiet advantage: owners describe the foam as firm, so the cutout walls are less likely to collapse under cheek pressure, which is the failure mode of cheap soft pillows with decorative scoops. For a side sleeper with a nasal or nasal-pillow mask whose soft pillow keeps collapsing into the mask, this is the pillow built to hold its shape, priced a notch above the Contour.

The simplicity shows up in what's missing rather than what's broken. A single removable insert gives you two heights rather than the Contour's four, so you're betting one of two profiles matches your shoulder width — fine for average builds, a gamble at the extremes. The firm feel divides owners more sharply than the Lunderg's does. If the height happens to fit you, the nightly experience is most of what the more adjustable pillows deliver. Best for side sleepers who know they want firm support, average builds, and anyone who wants firm foam with nothing to assemble.

This pick is the honest asterisk on the whole category. The Elviros is a cervical pillow, not a CPAP pillow — there are no mask cutouts — and for full-face mask users that disqualifies it immediately. But CPAP masks aren't all the same size problem: a minimal nasal-pillow mask (small cushion at the nostrils, slim frame, hose often routed over the top of the head) barely contacts the pillow when you're on your side. If that's your setup, you may not need cutout geometry at all — and what the Elviros offers instead is something CPAP pillows mostly skip: two heights, with Elviros pointing side sleepers to the lower 4.1-inch side to keep the neck level, and it is the lowest-priced pick here.

It's also the natural pick if you're a part-time masker — some nights on therapy, some naps and mornings without — because unlike a cutout pillow it's a complete, normal pillow on maskless nights instead of a pillow with missing corners. Be honest with yourself about the boundary, though: if you use a nasal or full-face mask with any real frame bulk, the mask will hit the raised contour exactly where a cutout should be, and you should pick the Lunderg instead. And if leaks persist no matter which pillow is under you, the pillow was never the problem — talk to your sleep specialist or DME provider about mask fit. Best for side sleepers on minimal nasal-pillow masks and part-time users who want one pillow for both kinds of nights.