Understand how your sleeping position changes through the night.
Track overnight position patterns with your iPhone, or explore experimental chest-sensor tracking with local recovery and optional position nudges.
Private beta. No purchase required.
A closer look
Simple, focused screens designed around your morning routine.

Live Tracking

Active Session

Sample Report

Settings
Three simple steps
Notice your position
Your iPhone estimates time spent on your back, left, right, front, and upright — and clearly marks periods where tracking data was unavailable.
Review your patterns
A morning summary shows your position timeline, turns, longest back period, tracking coverage, and any nudges from the night.
Run your own experiment
Change one habit, observe over several nights, and see whether anything feels different to you.
Your nights are personal.
NightPosture is designed local-first. Detailed position data and raw sensor data stay on your device, and raw high-frequency sensor data is never uploaded. Any Apple Health or Oura context you connect is used only for local nightly comparisons.
Exploring optional chest-sensor tracking.
We are exploring support for an optional chest-worn MetaMotionS+ sensor with back and side calibration, onboard overnight recording, local recovery, and configurable nudges while you remain on your back.
NightPosture is a personal wellness tracker. It does not diagnose, treat, or prevent any medical condition.