I live in the US and can't change my thermostat, so I don't think that's it. I'm sure I could feel the difference if i split myself between two rooms with one

I live in the US and can't change my thermostat, so I don't think that's it. I'm sure I could feel the difference if i split myself between two rooms with one degree difference. I just don't think this is a useful granularity—I typically move the thermostat by 2-5 degrees at a time.