Bajan beauty Rihanna has revealed she only sleeps for a mere "three or four hours a night".
The 29-year-old singer has admitted she finds it tough to switch off from the demands of her day-to-day life at night and, as a result, she gets markedly less sleep each evening than the average person.
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She shared: "I have a lot of trouble switching off. Even when I get home early, which means before 1am, I start binge-watching shows or documentaries, which I love.
"I can't go straight to bed. As a matter of fact, I only sleep three or four hours a night."
The 'Diamonds' singer regards the likes of Whitney Houston, Mariah Carey and Tina Turner to be among the biggest inspirations in her own life.
A post shared by badgalriri (@badgalriri) on Nov 23, 2017 at 7:26am PST
But perhaps surprisingly, Rihanna has also taken inspiration from the late Princess Diana - and in particular, the so-called revenge dress she wore to the Serpentine Gallery's summer party in 1994, shortly after it emerged Prince Charles had been unfaithful to her.
The fashion-conscious star told French Vogue magazine: "Every time a man cheats on you or treats you badly, you need a revenge dress. Every woman knows that.
"But whether her choice of this knockdown dress was conscious or not, I am touched by the idea that even Princess Diana could suffer like any ordinary woman. This Diana Bad B***h moment blew me away."
Meanwhile, Rihanna previously admitted that her fashion sense was hugely influenced by her male friends.
The 'Work' hitmaker recalled: "When I was 13 or 14, I didn't want to wear what my mom wanted me to wear. I was very much a boy in my style, my demeanour.
"All my friends were guys. I loved things that boys did. I loved being easy with my clothes. I loved wearing hats and scarves and snapbacks on my head. It was my way of rebelling. I wanted to dress like my brother.
"After a while, it was just easier for Mom to dress us both the same. We wore the same jeans, the same T-shirts."