![Thebedshouldbereservedasaplaceforsleep，butpeopletendt...]( "Thebedshouldbereservedasaplaceforsleep，butpeopletendt...")
- 問題詳情： Thebedshouldbereservedasaplaceforsleep，butpeopletendtoreadaniPadalotinbedbeforetheygotosleep． CharlesCzeisler，aprofessoratHarvardMedicalSchool，andhiscolleaguesgotasmallgroupofpeopleforanexperiment．Forfivedaysinarow，thepeoplereadeitherapaperb...
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