Bedtime’s up

4. Gigi Hadid is escorted out of Manhattan last year on a charge of dressing as a deckchair in a built-up area.

5. The nightgown as op-art mind-warp – David Gandy gets himself into a tight spot on the way to a pyjama party in 2011.

6. ‘Oh my gods, the last thing I remember is taking off my armour and falling asleep next to my horse…’ Brienne of Tarth/gwendoline Christie sleepwalks into a Calvin Klein event in September.

7. ‘Actually, I prefer to get into my jim-jams before I even leave the nightclub. Who’s got my hot-water bottle?’ Rihanna heads home from the Met Gala After Party in May 2017.