I'm having a consistent issue since iOS 10. It seems that after about a day or if I leave the house I have to restart my iPhone in order to have HomeKit working properly. For instance if I don't restart my iPhone I can't control devices through Siri, and I can't see the status of my thermostat through the Home app or in the control center. Is anyone else having this problem? Is this an iOS 10 bug? Any suggestions on fixes?