Sally Le Page answered this head-scratching question with the help of insect venom expert, Sam Robinson, from the University of Queensland... Like this podcast? Please help us by <a href="https://www.thenakedscientists.com/donate">supporting the Naked Scientists</a>

Why can't I sleep when my feet are cold?

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...