Why don’t we get woken by our own snoring? © Getty Images

Why don’t we get woken by our own snoring?

Asked by: Joel Edwards, Bradford

Your ears still receive while you sleep, but your brain filters out low-priority sounds – you’re more likely to wake if you hear your own name than a random word, for example. Especially loud snores can wake up a snorer, but only partially, and they’ll usually go right back to sleep almost immediately. Brainwave research suggests that even non-snorers have 20 to 25 of these ‘microarousals’ per hour that they don’t remember in the morning.

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