Do you naturally wake up early or go to bed late? You might be biologically aligned to a different time zone. This week Dan and Kate discuss sleeping patterns and why some people are naturally early risers – larks – and some people are much better late at night – owls.

This week's question:

On average, how many hours do adults sleep each night?

a) six and a half hours
b) seven and a half hours
c) eight and a half hours

Listen out for the answer in the programme!