(Silicon Valley has produced a new species of human beings known as “sleep camels”: people who can store up enough sleep at weekends to be able to work flat-out through the week.)
2001, Charles B. Handy, The Elephant and the Flea: Reflections of a Reluctant Capitalist, Harvard Business School Press (2002), →ISBN, page 100:
No wonder, then, that so many take their laptops to the beach or that 'sleep camels', as they call them in Silicon Valley, those who sleep only at weekends, are becoming more common.
2001, Richard Reeves, Happy Mondays: Putting the Pleasure Back Into Work, Pearson Education Limited (2001), →ISBN, unnumbered pages:
Silicon Valley has bred 'sleep camels', who store up sleep at the weekends then work long hours all week.
2003, John Micklethwait & Adrian Wooldridge, A Future Perfect: The Challenge and Promise of Globalization, Random House (2003), →ISBN, page 235:
In Silicon Valley, people talk about "sleep camels"—people who can work throughout the week and then get their rest on weekends.
2004, Russel G. Foster & Leon Kreitzman, Rhythms of Life: The Biological Clocks That Control the Daily Lives of Every Living Thing, Yale University Press (2005), →ISBN, page 184:
A sleep camel is a person who makes a habit of getting little sleep during the week and tries to make up for it by napping and sleeping in over the weekend.
2014, Rocky F. Catman, Meet Me at the Riverside, Lulu (2014), →ISBN, page 198:
Sheila told her that John said musicians were like sleep camels when it came to that. They could stay awake for days when they had to.