Pair tracking - Sleep as Android

Documentation
1

Helps you to get a cleaner record of your sleep phases by combining the measurements from your and your partner’s phone, using any combination of sensors.

This is a companion discussion topic for the original entry at https://sleep.urbandroid.org/docs/sleep/pair_tracking.html
2

I have two observations on this point, the first is what happens when an animal sleeps in the room, in my case a dog, which can also get on or off the bed randomly as well as emit sounds. the second is the TV or audiobooks.