Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient world slept only 6.5 hours a night.

（布加勒斯特综合电）“红魔”曼联（Manchester United）和“热刺”托特纳姆（Tottenham）新加坡时间星期五（1月31日）凌晨在欧洲联赛中获胜，确保以前八名直接晋级16强。