Health & Fitness · Apple Watch
Wind-down
Sleep smarter with the 10-3-2-1-0 rule.
Overview
Wind-down turns the 10-3-2-1-0 sleep rule into a personal schedule on your wrist. Set your bedtime once and it works out every cut-off — caffeine, food, work and screens — with gentle reminders at each step.
What's inside
10-3-2-1-0
The science-backed rule, calculated automatically from your bedtime.
Reminders that nudge
Friendly heads-ups before each cut-off, delivered to your watch.
HealthKit start
Reads your recent sleep to suggest a smart default bedtime.
Glance and go
A simple daily schedule and a bedtime picker, nothing more.