ARP trainees hold their eyes open with their fingers to prevent them from falling asleep, during the last week of a ten week program to become members of the Taiwan navy’s elite Amphibious Reconnaissance and Patrol unit, at Zuoying navy base, Kaohsiung, southern Taiwan, December 19, 2021. The trainees get an average of an hour of sleep a day during the last week of the program. REUTERS/Ann Wang
