Pillow loft
Pillow Loft for Side Sleepers
Quick answer
Side sleepers generally want 5 to 7 inches of pillow loft. The aim is to keep the head in line with the spine rather than tipped up or dropped down.
Loft is pillow height under load, not the height on the shelf. The test is simple: lying in your usual position, your head should be level with your spine. Side sleepers need the most loft because the pillow has to fill the gap between the ear and the shoulder, so broader shoulders need more.
Loft by sleeping position
| Position | Loft range | Why |
|---|---|---|
| Stomach | 2 to 3 in | Any real loft tips the neck backward |
| Back | 3 to 5 in | Supports the neck curve without pushing the chin down |
| Side | 5 to 7 in | Has to fill the ear-to-shoulder gap |
| Combination | 4 to 6 in | A middle setting, or an adjustable pillow |
Convention, not a standard
This is widely repeated guidance rather than a measured standard. Treat it as a starting point.
Why adjustable pillows solve this
Loft guidance is convention, and the ranges overlap, which is why a pillow that lets you add or remove fill is the practical answer for most people. Shredded foam pillows ship overfilled on purpose: you take fill out until your head sits level. That is a far more reliable route to the right loft than guessing from a number on a box.
Pillows for this loft
Sidney Sleep Adjustable Curved Pillows for Neck and Shoulder Support with Extr
$39.98Adjustable loft pillow.
Check price on Amazon
Olive + Crate Adjustable Loft Shredded Memory Foam Pillow - Queen Size
$59.98Adjustable loft pillow with memory foam fill.
Check price on Amazon
DreamyBlue Signature Adjustable Shredded Memory Foam Pillow Queen
$75.00Adjustable loft pillow with memory foam fill.
Check price on Amazon
Coop Home Goods Original Adjustable Pillow
$89.00Adjustable loft pillow with memory foam fill.
Check price on AmazonFrequently asked questions
What pillow loft do side sleepers need?
Generally 5 to 7 inches. The number matters less than the result: lying in your usual position, your head should be in line with your spine, not tipped up toward the ceiling or dropped toward the mattress. Have someone look at you from the front to check.
How do I measure pillow loft?
Measure the height of the pillow while your head is on it, not while it sits on the bed. Compressed loft is what supports you. A pillow advertised at 6 inches may compress to 4 under a head, which is why two pillows with the same stated loft can feel completely different depending on fill and firmness.
Does shoulder width change the pillow I need?
For side sleepers, yes, more than anything else. The pillow fills the gap between the ear and the mattress, and that gap is set by shoulder width. Broader shoulders need roughly an inch more loft, narrower shoulders about an inch less. For back and stomach sleepers shoulder width barely matters.
Is a firmer pillow better for neck pain?
Not inherently. What matters is whether your head stays in line with your spine through the night, which depends on loft and how much the pillow compresses rather than on firmness alone. This is general information rather than medical advice, and persistent neck pain is a reason to see a clinician rather than to keep buying pillows.
How to read the numbers on this page. Standard mattress and bedding dimensions are industry-wide and the same across manufacturers. Guidance like replacement intervals, firmness by body weight and walking clearance is convention rather than a measured standard, and every table here says which it is. Where a manufacturer does not publish a figure we leave it out instead of estimating. This is not medical advice: a mattress is not a treatment for a medical condition, and persistent pain is a reason to see a clinician.