![Why is it that when I'm sick, one of my nostrils can become completely congested to the point where I can't breathe out of it, but the other one always stays breathable? - Why is it that when I'm sick, one of my nostrils can become completely congested to the point where I can't breathe out of it, but the other one always stays breathable? -](https://qph.cf2.quoracdn.net/main-qimg-5f50553f6c6556632bb5f882bc8b335b.webp)
Why is it that when I'm sick, one of my nostrils can become completely congested to the point where I can't breathe out of it, but the other one always stays breathable? -
Why is one side of my nose clogged and changes when I lay down on the other side? No mucus and I can't seem to force my breath through it. - Quora
![TIL that in humans, the nasal cycle means that during the course of a day, the nostrils will switch over approximately every four hours or so. : r/todayilearned TIL that in humans, the nasal cycle means that during the course of a day, the nostrils will switch over approximately every four hours or so. : r/todayilearned](https://external-preview.redd.it/7HYNU8pVL-fKDJFyvYfscopUlHw7qHJ_rjWM71qslvs.jpg?auto=webp&s=937084cf3aa6e902517d463c290069045a6ca21f)