My graphs are flat - Sleep as Android

There are several reasons why your graphs may be flat.

The actigraphy is almost flat

If you can see some movement on the actigraphy, but the graph is unusually flat: . Sonar - make sure the signal is strong enough by keeping the sonar volume at max at Settings → Sleep tracking → Test sensor → blue sliding bar. - You can also try a different frequency by selecting other frequency from the drop-down menu list in Settings → Sleep tracking → Test sensor → Frequency - Keep the phone closer to your bed. - Try different positions of the phone. . Accelerometer - try keeping the phone closer to you.

This is a companion discussion topic for the original entry at