alt Hacker NewsI've only seen legitimate CO2 concentration studies with small impact on sleep quality (>1000ppm ie unventilated rooms can cause 1-5% decline in sleep efficiency, observable as more nighttime wake ups or longer sleep).
I've only seen legitimate CO2 concentration studies with small impact on sleep quality (>1000ppm ie unventilated rooms can cause 1-5% decline in sleep efficiency, observable as more nighttime wake ups or longer sleep).