My Nest thermostat constantly thinks I am "Away" if I don't trigger the soli sensor regularly, and causes the thermostat to go into Eco Mode multiple times a day. I deleted, reinstalled, and signed back into the app; cleared the app's cache; and changed the battery optimization for the Nest and Home apps to no avail. Not sure if it's an issue with the Google Home or Nest app, but the Nest is unable to use my Household members' phones to determine "Home/Away" status correctly and consistently.