美国科罗拉多大学博尔得分校的肯怀特教授带领研究小组征募16名年轻、身材苗条、身体健康的成年人为志愿者,让他们在科岁拉多大学医院的“睡房”内生活两星期。前三天,研究人员让志愿者每晚睡9小时,白天向他们供给仅够保持体重的热量。随后5天,研究人员把志愿者分成两组,第 Professor Ken White, from the University of Colorado Boulder, led the team to recruit 16 young, fit and healthy adults as volunteers for a two-week stay in the “Sleeping Room” of Rado University Hospital . For the first three days, the researchers asked volunteers to sleep nine hours a night, supplying them with enough body heat during the day. The next five days, the researchers divided the volunteers into two groups, the first