A woman prepares for a power nap at a sleep capsule in the business incubator area of Haidian District, Beijing, July 9, 2017. The sleep capsule is designed for office workers to enjoy quick naps in a comfortable environment in Zhongguancun, known as "China's Silicon Valley." Prices during peak hours from 11 a.m. to 2 p.m. are 1 yuan ($0.14) for three minutes and 1 yuan for five minutes at other times. With the maximum charge of 58 yuan a day, some overtime office workers also spend the night in it. The capsule is equipped with disposable bedding, earplugs and an ultraviolet disinfection lamp. A user can use a cell phone to scan a QR code to open the small room and complete payment. (Photo/VCG)