We built these tools to help you calibrate your sleep environment and track your progress. These resources are designed to be printed, logged, and used no fluff, just the data you need to find your ideal sleep fit.
Pillow Loft Calculator: Find Your Height
Enter your sleep position, shoulder width, and mattress firmness to calculate your exact pillow loft target backed by published biomechanics…use now
Pillow Firmness Quiz
Take our interactive pillow firmness quiz to find out whether your sleep position requires a soft, medium, or firm pillow…use now
Coop Pillow Comparison Tool
Answer two questions about your sleep position and temperature to find out whether the Coop Eden or Coop Original pillow…use now
Best Ergonomic Pillows for Side Sleepers: Data-Backed Picks
- FillMemory Foam
- SupportHigh-Loft
- Best forAll-night alignment
The gold standard. Removing fill allows you to match the exact distance between your shoulder and neck.
- FillMicrofiber/Gel
- SupportFirm-Plush
- Best forHot side sleepers
Our top pick for side sleepers who overheat. Maintains deep loft support without trapping body heat.
- FillMemory Foam
- SupportExtra Firm
- Best forBroad shoulders
Reliable structural alignment. Best for those who need a rigid shape that won’t shift during the night.