Comfortable Worn All Night

Anything you notice at midnight gets taken off before the data is useful.

Automatic Overnight Logging

Nobody presses start reliably at bedtime or stop at a groggy waking.

Battery Through a Night

A gap in the last hours hides exactly the part of sleep people ask about.

Dark, Silent Operation

A glowing indicator or a chirp in a dark bedroom wakes both people in it.

Readable Morning Summary

Raw overnight traces mean little without a plain view of the night before.