[kiliankoe]

> I was able to improve my sleep because I found out that my waking up in the night was correlated with high co2 values.

What did you change? I assume it's non-trivial to automatically open windows based on sensor data? Or do you mean you've been able to improve it by knowing about it and opening a window before going to sleep, which now that I write it sounds much more sensible :D

[joker99]

Haha, opening a window automatically was my initial idea, but like you I quickly converged on the latter! In addition, I just keep the bedroom door open as well, which helps a little bit too