Pillow Posture Lab
Pillow Posture Lab library

Guides

Browse our complete collection of guides articles, organized to help you compare fit, materials, sleep position and product choices.

Ergonomic Pillows: Shape, Loft, Support and Fit

A practical guide to ergonomic pillow shapes, materials and fit.

Contour Pillows: Curves, Neck Rolls and Head Cradles

How contour pillow geometry changes support and movement.

Cervical Pillows: What to Look For and What Evidence Shows

An evidence-aware guide to cervical pillow design.

Memory Foam Pillows: Feel, Heat, Density and Shape

Compare the real tradeoffs of memory foam pillows.

Pillow Loft Explained: Low, Medium and High

How pillow height interacts with sleep position and mattress sink.

Pillow Firmness Explained

How soft, medium and firm pillows change head support and comfort.

Pillow Shapes Compared: Traditional, Contour and Butterfly

A useful way to compare major pillow shapes.

Pillow Sizes and Dimensions: What Actually Matters

Why width, length and height matter differently.