
Sleep Science
Circadian rhythms and sleep cycles
How circadian rhythms, sleep stages, and body temperature work together to shape the quality of a night.
Field notes on sleep science, product updates, and what we’re learning from early testers.

How circadian rhythms, sleep stages, and body temperature work together to shape the quality of a night.

Sleep quality is not only about the body. The room around you sets the conditions the body has to work within.

Waking in the small hours is more normal than it feels. Here is what your body is doing at that point in the night.

How breathing, movement, and heart rate change across the night, and why no single signal tells the whole story.

How deep sleep drives physical repair, hormone release, immune function, and memory consolidation.

Why static bedrooms fail a body that changes all night, and what an adaptive environment could do instead.