That is, whether you are a morning person (“lark”) or night person (“owl”). About 20 per cent of the population are thought to be one or the other, and the rest somewhere in between. In Professor Jim Horne’s quiz below you can find out whether you are a morning type, an evening type — or something in between. Morning types tend to get up earlier and feel their best in the morning but are tired at night. Evening types are the opposite.

Source: The Times January 20, 2020 23:59 UTC