Personality disorders have entered common vocabulary, with even school children calling each other “narcissists”. But how do you know whether someone actually has a personality disorder?

While we don’t recommend trying to diagnose people, research analysing everything from real-life conversations to social media posts suggests you may be able to spot personality dysfunction from someone’s everyday word use. No single word or phrase reveals someone’s personality, but there are red flags to look for.

How do you feel about the British empire? New research has revealed the breadth of opinion among British people about their country’s imperial past and how it links to voting behaviour – with some important lessons for politicians.

And if you’re looking forward to catching up on some shuteye this festive period, we’ve bad news for you: Christmas is particularly bad for your sleep. Luckily there are things you can do to ensure you feel more refreshed (at least until you stay up to midnight on New Year’s Eve).

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