Pillow Loft: How to Pick the Right Height
Loft is the height of your pillow when your head is on it, and it is the one specification that decides whether a pillow works for you. Fill type, cover fabric, and brand reputation all matter less than this single number, because loft is what determines the angle of your neck for the eight hours you cannot supervise. Here is how to figure out the height you need and how to correct one that is wrong.
In this guide
What counts as low, medium, and high loft
Manufacturer labels are inconsistent, so use inches wherever they are published.
- Low loft: under 3 inches. For stomach sleepers and very petite sleepers.
- Medium loft: 3 to 5 inches. For most back sleepers and combination sleepers.
- High loft: 5 to 7 inches. For side sleepers and broad-shouldered sleepers.
- Loft under load matters more than loft on the shelf — a soft pillow labelled 6 inches may compress to 3.
Match loft to your sleep position
On your side, the gap between your ear and the mattress is the widest it gets, so you need the most pillow. On your back, you only need to fill the hollow behind your neck. On your stomach, any real height rotates and extends your neck at once, which is why stomach sleepers do best on something close to flat.
- Side: 5 to 6 inches, medium-firm, ideally with a shoulder notch.
- Back: 3 to 5 inches, medium, contour shapes work well.
- Stomach: under 3 inches, soft, or an adjustable pillow emptied out.
- Combination: 4 to 5 inches with a responsive fill so it reshapes as you turn.
Shoulder width, not height
Loft needs scale with shoulder width because your shoulder is what holds your head off the mattress. Broad shoulders need 6 to 7 inches on the side; narrow shoulders need 4 to 5. A tall person with narrow shoulders needs less pillow than a shorter person with broad ones.
Your mattress changes the answer
A plush mattress lets your shoulder and hip sink into the surface, which narrows the gap your pillow has to fill — so a soft bed calls for lower loft. A firm mattress keeps you on top of the surface and widens the gap, so you need more. If you change mattresses and suddenly wake up sore, your pillow loft is the thing to revisit first.
How to check and fix your loft tonight
Lie down in your normal position and have someone photograph you from behind, or use a mirror. Your nose should point straight ahead in line with the center of your chest, and the line from your ear through your shoulder to your hip should look straight. If your chin is tucked, remove loft; if your head tips back, add it. An adjustable pillow makes this a two-minute fix — take out one small handful of fill at a time, sleep on it for a night, and repeat until nothing aches in the morning.
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