Sleep Stage Breakdown

Light, deep, and REM time explain a night that felt short but scored well.

Comfortable Overnight Wear

A watch on the wrist wakes some sleepers, while a ring stays out of the way.

Overnight Breathing Signals

Breathing irregularity through the night is a pattern worth watching.

Silent Alarm on the Finger

A vibration wakes you at six without waking the person beside you.

Multi-Night Battery Life

A charge that dies at midnight leaves the most useful hours unrecorded.