Shameless plug: I created an app[0] just for this, which just tracks phone movement as an indication for the sleep quality. i.e If you pick your phone you are c

Shameless plug: I created an app[0] just for this, which just tracks phone movement as an indication for the sleep quality. i.e If you pick your phone you are considered awake and just logs it. It is a completly offline app. [0] https://play.google.com/store/apps/details?id=com.sleepeasy https://play.google.com/store/apps/details?id=com.sleepeasy