How to Choose a Pillow

People spend months choosing a mattress and then grab whatever pillow is on sale. That is backwards more often than you would think. A worn-out or wrong-height pillow can undo a great mattress, leaving you with a stiff neck and sore shoulders no matter how good the bed underneath you is. The good news is that picking the right pillow is not complicated once you know the three things that actually matter.

Those three things are loft, firmness, and fill. Loft is the height of the pillow. Firmness is how much it gives when you press into it. Fill is what is inside, which shapes the feel and how warm it sleeps. Get those matched to how you sleep and to your mattress, and the rest is just personal preference. The National Sleep Foundation notes that a comfortable, supportive pillow can help you avoid the kind of aches that wreck a night's sleep, which is why this is worth a few minutes of thought.

Pillow Types at a Glance

Ratings are based on loft, support, feel, and temperature regulation, plus in-store fit testing across body types and sleep positions.

Matching a Pillow to How You Sleep

Best for Side Sleepers — Higher-Loft Memory Foam

If you sleep on your side, there is a real gap between your head and the mattress, right at the level of your shoulder. A higher pillow fills that gap so your head stays level instead of dropping toward the bed. You want enough firmness that the pillow holds its shape through the night rather than collapsing by 2 a.m. A memory foam pillow with a taller profile is a reliable pick here, since it contours to your head and stays put. Brands like Tempur-Pedic build contoured foam pillows designed for exactly this. If you also have shoulder pressure, a softer mattress paired with the right loft usually does more than any single fix.

Best for Back Sleepers — Medium-Loft Support

Back sleepers need a pillow that supports the natural curve of the neck without pushing the head forward. Too thick and your chin gets tipped toward your chest. Too thin and your head tilts back. A medium loft, somewhere in the three-to-five-inch range, is usually the sweet spot. Contoured foam works well because the raised edge supports your neck while the dip cushions your head. Tempur-Pedic makes low and medium profile options that suit back sleeping, and a cooling cover is a nice bonus if you run warm.

Best for Stomach Sleepers — Low, Soft Fill

Stomach sleeping is the toughest position to pillow well, because your neck is already turned to one side. A thick pillow only makes that worse. The goal is to keep your head as close to flat as possible, which means a low, soft pillow, or in some cases almost no pillow at all. A thin down alternative or a soft, low-profile foam does the job. If you wake with neck stiffness, your pillow height is the first thing to check.

Best for Warm Sleepers — Gel & Cooling Pillows

If you flip the pillow all night chasing the cool side, this is your category. Cooling pillows use gel layers, breathable covers, and ventilated designs to carry heat away from your head. Technogel, which pioneered gel pillows, builds its pillows around a cooling gel layer over memory foam, so you get temperature regulation and support together. PureCare offers cooling-cover options that pair plush comfort with a surface that stays cool through the night. These work across positions, so you choose the loft for your position and let the cooling tech handle the heat.

Best for Combination Sleepers — Adjustable Fill or Latex

If you start on your side and end up on your back, or move through two or three positions a night, you want flexibility. An adjustable fill pillow lets you add or remove material to fine-tune the loft until it feels right. Latex is another strong option for movers, since it is responsive and springs back quickly as you shift. Both keep your head supported no matter which way you roll.

Common Mistakes Pillow Shoppers Make When Mattress Shopping

• Buying a pillow without thinking about the mattress under it. A soft mattress lets your shoulder sink in, so you need a lower pillow. A firm one keeps you up top, so you need a little more height. People forget the two are a pair.
• Picking a pillow by softness alone. A pillow can feel great in the store for ten seconds and still be the wrong height for how you sleep. Loft matters more than the plush first impression.
• Keeping a pillow way too long. If it will not spring back when you fold it, it is done. Most pillows are ready for replacement in one to two years, and a flat pillow stops doing its job.
• Stacking two pillows to get more height. That props your head at an angle and strains your neck. One pillow at the right loft beats two at the wrong one.
• Assuming one pillow works for the whole family. Your build, your position, and your mattress are different from your partner's. The right pillow is personal, just like the right mattress.

— Drew Miller, Vice President, Sit 'n Sleep

Why It Pays to Test a Pillow in Store

A pillow is one of those things you really have to feel. You can read about loft and firmness all day, but the only way to know if a pillow keeps your head level is to lie down on the kind of mattress you actually sleep on and feel it for yourself. That is something a box on a doorstep cannot give you.

At Sit 'n Sleep, you can do exactly that. We have 37+ stores across Southern California, including Los Angeles, Orange County, the Inland Empire, and Ventura County. Our sleep consultants will match a pillow to your position and your bed. If you are shopping for a mattress too, our free BedMATCH fitting technology reads how your body rests to match you to the right mattress, and your consultant pairs a pillow to it. We also deliver throughout San Diego County. When you are ready, find your nearest location and come see us.

Frequently Asked Questions