NOVA:MysteriesofSleepLikevirtuallyeveryotheranimal,humansneedsleeptosurvive.Butwhy?Whatdowegainfromspendingnearlyathirdofourlivesinsuchadefenselessstate?Andwhat'satstakeifwesleeppoorly?Thefunctionsofsleephavelongbeensomethingofamystery.Butnowscientistsarepeeringdeepintothebraintoseewhathappenswhilewesnooze.Onestudyrevealsthatwell-timedburstsofpinknoisecannudgeaperson'sbrainwaves,extendingperiodsofslow-wave,ordeep,sleep.Andtoddlerslearningnewwordsshowthattakingevenashortnapafterlearningsomethingnewcanhelptheinformationstick.Andwhenitcomestosleepingpoorly,itmayturnoutthathavinginterruptedsleepcanbejustasharmfulasmissingsleepaltogether.Asscientistscometounderstandthepowerfulrolethatsleep--orlackofit--playsineverythingfrommemorytotraumatoemotionregulation,onethingisclear:Thisbiologicalfunctionisascrucialasitiscomplex.
2023-10-29 01:56:34,最后更新于7月前