Missing data and sensors
Learn the steps you can take to avoid missing data and troubleshoot sensor issues.
- Sleep isn't detected automatically
- My data is missing or showing gaps
- My sensors aren't lighting up
- I see dashed lines in the Heart Rate chart
- I can't see my Reactivity Monitor data
- I can't see my sleep data
- I don't see any data under the Now tab
- I can’t see my Overview data
- Will I keep my data when switching watches?