![Therewasgoodnewslastweekforpeoplewhostruggletogeteighth...]( "Therewasgoodnewslastweekforpeoplewhostruggletogeteighth...")
- 问题详情：Therewasgoodnewslastweekforpeoplewhostruggletogeteighthoursofsleepanight:theymaynotneedsomuchshut-eyeafterall.ResearchersfromUCLAandelsewherelookedatsleephabitsofremotehunter-gatherersinTanzania,NamibiaandBolivia—groupswithpre-industriallife...
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