In this Question of the Week, we ask if we sneeze in our sleep? What stops us from 'atchoo'ing while we're snoozing? Plus, we ask how oxygen gets into a developing egg. Like this podcast? Please help us by <a href="https://www.thenakedscientists.com/donate">supporting the Naked Scientists</a>

Egg Ventilation

Each week we set out to solve one of the world's weirdest, wackiest, funniest and funkiest scientific puzzles. And along with the answer there's a brand new question to think about for next time...