This is a good question and one that is frequently discussed in the forums. You’ll probably find the following thread interesting (this is a clickable link)
Continuing the discussion from [VFAQ: Lighting Control Options for UK SmartThings]
https://community.smartthings.com/t/vfaq-lighting-control-options-for-uk-smartthings/26252/54
There are many threads in the forums discussing how to handle the issue of lights turning off too early, but now that Rule Machine and SmartZone Manager exist, the answers given in the previous threads might not be the best solutions.
There are several general approaches that most people use, just depending on preference and local circumstances.
One) use multiple devices to cover different areas. The devices might be different types.. For example, a motion sensor might trigger lights to come on when a person enters the room, but then a multi sensor or weight sensor attached to the chair or couch might be much m…