Sleep Position Guide
The pillow matters less than the position. Match them and both work.
A contour pillow is not soft furniture, it is a piece of geometry. Whether it helps depends almost entirely on whether its height matches the gap it has to fill, and that gap is set by your sleeping position. Here is the short version for each.
Side sleepers
Side sleeping creates the biggest gap of all: the full distance from the point of the shoulder to the ear. Fill it too little and the neck bends down all night; overfill it and the neck bends up. Use the taller long edge of any pillow in the range, and if you sleep on a butterfly model, put the shoulder into the cutout rather than under the pillow. That is what the cutout is for.
Side sleepers who wake with a numb arm tend to like the ice-silk model: its raised wings give the upper arm a resting place, which is the job usually improvised with a spare pillow.
Back sleepers
On the back, the neck needs curve support rather than height. Turn the pillow to the lower long edge: the ridge slots under the cervical curve while the head sits in the centre cradle, level with the mattress rather than propped above it. If your chin points at the ceiling, the loft is too low; if it presses toward your chest, too high.
Stomach sleepers
Stomach sleeping is the hardest position to support because the head is already rotated sideways; almost any loft adds strain on top. Use the lowest edge available, and consider the Cloud Wave, whose flatter wave profile sits lower than the butterfly models. Sleep clinicians usually suggest weaning off stomach sleeping altogether; until then, less pillow is more.
Mixed sleepers
Most people move at night, which is the real argument for the two-height design: you set the pillow for the position you fall asleep in, and the contour still behaves acceptably in the position you wake up in. Fall-asleep-on-side, wake-on-back is the most common pattern, and it points to a butterfly model on the tall edge.
The first two weeks
A contour pillow asks muscles to stop doing work they are used to doing, and the adjustment shows up as mild ache for some sleepers in the first days. Give it up to two weeks of consistent use before judging. If a specific measurement matters to you, the maker's spec sheet for the ice-silk model lists roughly 24.8 by 14.5 inches with a 5.1-inch tall edge; the other listings describe the same two-height system without exact figures, so we do not quote any for them.
| You sleep… | Edge to use | Closest fit in the range |
|---|---|---|
| Mostly on your side | Tall edge | Any butterfly model; ice-silk if your arms wander |
| Mostly on your back | Low edge | Butterfly breathable or Cloud Wave |
| On your stomach | Lowest edge | Cloud Wave |
| Warm, in any position | Either | Cooling or ice-silk cover |
Every model is compared side by side on the best sellers page, and the covers, the real difference between the butterfly variants, are described on each product page.