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A comment on On whether changes in bedroom CO2 levels affect sleep quality. Parent comment

Re:On whether changes in bedroom CO2 levels affect sleep qua... by graeme on Monday January 21, 2019 @02:48PM (#18963010)
What level was it at when you started noticing those effects? And how did you measure productivity?

I have a sensor and try to keep readings low. My girlfriend isn't quite convinced though, especially in winter....

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Re:On whether changes in bedroom CO2 levels affect sleep qua... by DocG on Monday January 21, 2019 @03:59PM (#18963563)
Around over 2000 I think. Less than 1000 would be ideal, I think outside is around 400.
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Re:On whether changes in bedroom CO2 levels affect sleep qua... by graeme on Monday January 21, 2019 @05:13PM (#18964119)
Yeah it never gets above 1300 at our place with windows closed. With a window open a crack it stays at 700-1000.

Outside is 400 globally but often 450 or more in cities. At least on my meter.

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