[esperent]

Similar issue here except for damp. I live in a very humid country and the increase in my sleep quality once I started to run a dehumidifier in my room at night is crazy.

I used to wake up sneezing at 4am regularly and now I never do.

[sizzle]

I had the opposite issue with low humidity, dry nasal passages and bloody noses, sore throat, can’t sleep etc. until >~25% humidity is restored