🌡️ Sucking the CO2 out of my bedroom turned out to be the final thing improving my already good sleep to great
My weekly sleep is now 1st in Los Angeles, 5th in California and Japan and 9th in Amsterdam, so really good
Most people have way too high CO2 in their bedroom (1500 to
Pieter Levels says lowering the CO2 in his bedroom was the last tweak that moved his already good sleep metrics to great. Useful as a quantified-self nudge: bedroom CO2 can climb high overnight in closed rooms, so measuring it and adding real ventilation may be worth testing. Treat the ranking claims as personal anecdote, not proof.
