Why do many animals snore?

The long-running series in which readers answer other readers' questions on subjects ranging from trivial flights of fancy to profound scientific and philosophical conceptsWhy do many animals snore? Making such loud noises when sleeping surely is an advertisement to any nocturnal predator that unconscious prey is close by and relatively vulnerable. Geoff MoorePost your answers (and new questions) below or send them to nq@theguardian.com. A selection will be published on Sunday. Continue reading...