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A comment on On whether changes in bedroom CO2 levels affect sleep quality. Parent comment
* https://www.youtube.com/watch?v=Ulaz3aUSZlQ
* https://www.youtube.com/watch?v=-3CRGhu8C5I
There are houses that are almost hermetically sealed, and do not have issues because they control temperature and humidity properly:
* https://en.wikipedia.org/wiki/Passive_house#Airtightness
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* https://www.youtube.com/watch?v=Ulaz3aUSZlQ
* https://www.youtube.com/watch?v=-3CRGhu8C5I
There are houses that are almost hermetically sealed, and do not have issues because they control temperature and humidity properly:
* https://en.wikipedia.org/wiki/Passive_house#Airtightness