What hunter-gatherers can teach us about sleep

Research on present-day foraging communities suggests that daylight, changing temperatures and social evenings help shape sleep. Their habits also challenge the expectation that everyone should sleep eight uninterrupted hours every night.

对当今狩猎采集群体的研究表明，日光、气温变化和夜晚的社交活动都有助于调节睡眠。他们的习惯也提醒我们，不必期待每晚都连续睡满八小时。