Side sleeping is the most popular sleeping position in the UK, with roughly 60% of adults spending most of the night on their side. Despite this, many side sleepers use pillows designed for back sleeping or general-purpose pillows that fail to address the specific demands of side sleeping. The result is morning neck stiffness, shoulder pain, and disrupted sleep that could be avoided with a properly chosen pillow. Here is a complete guide to finding the right pillow for side sleeping.
Why Side Sleepers Need Different Pillows
Side sleeping creates the largest gap between the head and the mattress surface of any sleeping position. Your shoulder width determines this gap — broader shoulders create a larger distance that the pillow must fill to keep the head level with the spine. A pillow that is too thin allows the head to drop toward the mattress, bending the neck laterally and creating strain on the muscles, ligaments, and joints of the cervical spine.
Side sleeping also concentrates more head weight on a smaller pillow surface area compared to back sleeping. The side of the head presses into the pillow rather than the broader back of the head, which means the pillow compresses more deeply at the contact point. A pillow that provides adequate height for back sleeping may compress too much under the concentrated pressure of side sleeping, losing the loft you need.
EPABO Contour Memory Foam Pillow
Finding Your Ideal Loft
Loft (compressed pillow height) is the single most important specification for side sleepers. The correct loft keeps your head level with your spine, maintaining a straight line from the top of your head through your neck and down to your tailbone when viewed from behind.
Measure your ideal loft by standing sideways against a wall. Measure the distance from the wall to the side of your head (or more precisely, from the outside of your shoulder to the side of your neck). Subtract 1 to 2 cm to account for shoulder compression into the mattress. Most side sleepers need 12 to 16 cm of compressed pillow height, though this varies significantly based on body proportions and mattress firmness. Our pillow size and loft guide provides detailed measurement instructions.
Best Pillow Materials for Side Sleepers
Memory Foam
Medium to high-density memory foam (50 to 70 kg/m³) resists compression under the concentrated weight of a side sleeper’s head, maintaining loft through the night. The conforming nature of foam distributes pressure evenly across the side of the face, preventing the pressure points that firmer materials can create on the cheekbone and ear. Shredded memory foam adds adjustability — remove fill to lower the height until it matches your ideal loft measurement.
Natural Latex
Natural latex provides firm, responsive support that resists compression excellently. Latex maintains its height more consistently than memory foam because it pushes back against pressure rather than slowly conforming. For side sleepers who change sides during the night, latex’s instant response means immediate support in the new position. Talalay latex offers a slightly softer feel than Dunlop while maintaining strong compression resistance.
Down and Feather Blends
Down and feather blends with a higher feather percentage (40% or more feather content) provide the firmness that side sleeping demands. Pure down pillows are generally too soft for side sleeping — the down compresses too much under concentrated pressure, losing critical height. A 60/40 or 70/30 down-feather blend offers enough feather structure to maintain loft while retaining the soft feel of down at the surface.
Buckwheat
Buckwheat hull pillows provide excellent side-sleeping support because the firm, interlocking hulls resist compression and can be adjusted to precise heights by adding or removing fill. Buckwheat moulds to the head shape when pressure is applied, creating a stable cradle that does not shift during the night. The firm feel takes adjustment, but dedicated side sleepers often find buckwheat provides the most reliable overnight loft maintenance.
Pillow Features for Side Sleepers
Gusseted Construction
A gusseted pillow (with vertical side panels of 5 to 8 cm) maintains uniform thickness across the entire surface, including the edges. Side sleepers frequently rest near the pillow’s edge, where non-gusseted pillows taper to their thinnest. A gusseted pillow provides full support regardless of head position on the pillow surface.
Firm Support Rating
Side sleepers should choose pillows rated “firm” or “extra firm.” Medium-firmness pillows that work well for back sleepers typically compress too much under the concentrated pressure of side sleeping. If a pillow feels comfortable when squeezed by hand but flattens when you lie on your side, the firmness is insufficient.
Adjustable Fill
Adjustable pillows eliminate the guesswork of finding the correct loft. Start with maximum fill and remove small amounts over several nights until your head rests level with your spine. Having your partner check your alignment (or taking a photo with a timer) confirms the head position is correct.
Coop Home Goods Original Adjustable Pillow
Common Side Sleeper Pillow Mistakes
Stacking two pillows creates inconsistent support because the pillows shift independently. Using a pillow from a hotel or guest room without checking the loft leads to poor alignment. Choosing a pillow by brand reputation rather than specifications wastes money on products that may not suit your body proportions. Ignoring neck pain signals from an incorrect pillow allows chronic tension patterns to develop.
Side sleepers who also experience overheating should consider cooling gel pillows or latex, which sleeps cooler than standard memory foam. A body pillow between the knees aligns the hips and prevents spinal twist, complementing the head pillow’s neck alignment. Our budget guide and luxury guide cover side-sleeper options at every price point.
| Pillow | Best For | ||
|---|---|---|---|
|
EPABO Contour Memory Foam Pillow | Best for neck pain | View |
|
Coop Home Goods Original Adjustable Pillow | Best value adjustable | View |
Teresa created SaunaReviewer.com after discovering how transformative sauna therapy was in her own life. Today, she helps thousands of readers find reliable, honest information about saunas, accessories, and at-home wellness. Her mission is to make choosing the right sauna easier, clearer, and stress-free.
