睡眠:之谜

剧情简介

　　NOVA: My /ste)=ries of $^Sle!*=ep  #Li+-=;ke virtu`all]y e#_^very other animal,( humans nee`:*d sleep to survive.  ^_:But w.:^/hy? Wha ,t *do we gain from spending nearly a third o$+f. o@ u@r live%)#s\` in such a de: @f=%ensel(ess, state?;# *\And what&$/ #39s]/ at stake i;f we sle.$ep poorly? Th=e f unctions o?@@)f` s%!leep have: l\-ong be$en !something of+^ a mystery. B](ut^ now scientis`:t$s are/?= %peering d#eep ?_i]n))to]$[. the brain to see wh at[]! happens wh*-]i_.l.e we* s.nooze. %(On,)e study reveals that-$  well-ti`/(med b-#_ursts of pi[!n-;k no$,ise can nudge a person&^#39(s brain wave)s, ext=`,:en,,d*?\in%!g period`=s of slow=[/#-wave, or :(deep, _,*#=sleep. And todd$lers learning new words sh ow t*`-hat taking eve;_$=n a .sh$$ort nap .?after //,learning.` ,+so#!methi;/ng new-
 can he.^lp^_%^ _`]th%)=e inform*ation stick. =And  when/_ it ^*comes to sle/*e,;pi!%.*n=/g ,:%poorly, it m +:ay turn ou?t that having interrupted s-/l$eep can be-( just, a(, s; harmful as missing sle[(ep altogether.)! As sc\!ientis\#ts come t`$o understand the powerful role tha? t sleep --$, or lack$@ of it =-)-*+( play)/s in /\ everything from memory to trauma to .emotion regulation,# one th`
ing is\.-* cle?a?=r: This; biologica?%l func:tion is as crucial as%, it is=^ com:+ plex.