0604硅谷夜未眠：为什么科技达人痴迷睡眠技术顺理成章｜经济学人(5)

The market for sleep technology was worth $58bn in 2014 and is expected to grow to $81bn by 2020, according to Persistence, a market-research rm. Big companies in the eld include household names such as Apple, Bose, Nokia and Philips. After Mr Dorsey’s enthusiastic endorsement, the Oura rings are back-ordered by four to six weeks.
对于那些想要监测和改善自身睡眠的人，可以选择的各式玩意儿不少。除了电热毯、床垫降温器、声音睡眠仪和智能戒指外,还有智能枕头、睡眠追踪手表和手环、智能睡眠面罩、大脑感应头带、床边睡眠传感器，以及数不胜数的睡眠监测应用。市场调研公司Persistence的数据显示，睡眠科技市场在2014年价值580亿美元，到2020年有望增至810亿美元。苹果、Bose、诺基亚和飞利浦等家喻户晓的大公司都涉足该领域。经过多尔西热情地“代言”，Oura戒指的交货期推迟了4到6周。
household names ：a person or thing that is very well known 家喻户晓的人(或物)
endorse [vt]
If you endorse someone or something, you say publicly that you support or approve of them.代言；赞同；公开支持
例：I can endorse their opinion wholeheartedly.我可以全心全意地支持他们的观点。
endorsement [n]代言；赞同；公开支持
The mania for sleep technology makes perfect sense for the tech industry, combining as it does several existing trends. For a start, it ts with the industry’s metrics-driven worldview.