The most common issues, and the fastest fixes.
"My forecast hasn't appeared"
The forecast needs 7 days of health data and 3 logged migraines: the setup card on the Today tab shows exactly where you are on both. If both are done and a particular morning has no forecast, the usual cause is unsynced overnight data: open the app after your Apple Watch has synced (or pull down to refresh).
"Sleep or HRV is missing"
- Wear your Apple Watch overnight; that's when these signals are recorded.
- Check Apple Health → Profile → Apps → Migraine Sentry, and ensure read access is on for sleep and heart data.
- Data sometimes syncs from Apple Watch to iPhone with a delay; opening the Apple Watch app or Apple Health can prompt it along.
"A permissions banner keeps appearing"
The Today tab shows a banner while any permission is missing. Tap Fix in Settings to see exactly which; each row has a set-up button. If a permission was denied at the iOS level, the button takes you to the right place in the Settings app.
"I logged a migraine by accident"
Recordings under 5 minutes are automatically treated as accidental: they don't count toward insights, streaks, or your forecast, and carry a "not counted" label in History. You can delete any entry by swiping left on it in History.
"My morning notifications stopped"
If you force-quit Migraine Sentry (swipe it away in the App Switcher), iOS stops all background activity for the app until you next open it, including the early-morning run that computes your forecast. Already-scheduled reminders still arrive, but new forecast notifications can't be created. The fix is simple: just leave the app in the background instead of swiping it away. iOS manages its energy use automatically.
"I want to start over"
Settings → Delete all data, then close Migraine Sentry from the App Switcher and reopen it. The app resets to a fresh install and will re-import your Apple Health history.
Something else?
Email support@migrainesentry.com with what you expected and what you saw; screenshots help.