I recently started measuring CO2 in my room and discovered a direct correlation between CO2 levels and tiredness + brain fog.
I wonder how many people are using caffeine to fix a problem that can sometimes be solved by opening a window.
Discussion
Curious how you are measuring and logging. Thinking of lofting our bed now too because oxygen is lighter than CO2
Measure before and after these moves
I have read some big discussion on this topic on HN where people have reported the same. I think levelsio was talking about it a lot as well.
I suspect it has more to do with negative ions than CO2 itself, which is generally protective