上课打瞌睡有助记忆新知识
<p><span word="It">It</span> <span word="turns">turns</span> <span word="out">out</span> <span word="that">that</span> <span word="nodding">nodding</span> <span word="off">off</span> <span word="in">in</span> <span word="class">class</span> <span word="may">may</span> <span word="not">not</span> <span word="be">be</span> <span word="such">such</span> <span word="a">a</span> <span word="bad">bad</span> <span word="idea">idea</span> <span word="after">after</span> <span word="all">all</span>, <span word="as">as</span> <span word="a">a</span> <span word="new">new</span> <span word="study">study</span> <span word="has">has</span> <span word="shown">shown</span> <span word="that">that</span> <span word="going">going</span> <span word="to">to</span> <span word="sleep">sleep</span> <span word="shortly">shortly</span> <span word="after">after</span> <span word="learning">learning</span> <span word="new">new</span> <span word="material">material</span> <span word="is">is</span> <span word="the">the</span> <span word="best">best</span> <span word="way">way</span> <span word="to">to</span> <span word="remember">remember</span> <span word="it">it</span>.</p><p><span word="According">According</span> <span word="to">to</span> <span word="US">US</span> <span word="lead">lead</span> <span word="author">author</span> <span word="Jessica">Jessica</span> <span word="Payne">Payne</span>, <span word="a">a</span> <span word="psychologist">psychologist</span> <span word="at">at</span> <span word="the">the</span> <span word="University">University</span> <span word="of">of</span> <span word="Notre">Notre</span> <span word="Dame">Dame</span> <span word="in">in</span> <span word="Indiana">Indiana</span>, <span word="nodding">nodding</span> <span word="off">off</span> <span word="after">after</span> <span word="learning">learning</span> <span word="something">something</span> <span word="new">new</span> <span word="is">is</span> <span word="like">like</span> ‘<span word="telling">telling</span>’ <span word="the">the</span> <span word="sleeping">sleeping</span> <span word="brain">brain</span> <span word="what">what</span> <span word="to">to</span> <span word="retain">retain</span>.</p><p><span word="Along">Along</span> <span word="with">with</span> <span word="colleagues">colleagues</span>, <span word="she">she</span> <span word="studied">studied</span> 207 <span word="students">students</span> <span word="who">who</span> <span word="habitually">habitually</span> <span word="slept">slept</span> <span word="for">for</span> <span word="at">at</span> <span word="least">least</span> <span word="six">six</span> <span word="hours">hours</span> <span word="per">per</span> <span word="night">night</span>.</p><p><span word="Participants">Participants</span> <span word="were">were</span> <span word="randomly">randomly</span> <span word="assigned">assigned</span> <span word="to">to</span> <span word="study">study</span> <span word="declarative">declarative</span>, <span word="semantically">semantically</span> <span word="related">related</span> <span word="or">or</span> <span word="unrelated">unrelated</span> <span word="word">word</span> <span word="pairs">pairs</span> <span word="at">at</span> 9<span word="am">am</span> <span word="or">or</span> 9<span word="pm">pm</span>, <span word="and">and</span> <span word="returned">returned</span> <span word="for">for</span> <span word="testing">testing</span> 30 <span word="minutes">minutes</span>, 12 <span word="hours">hours</span> <span word="or">or</span> 24 <span word="hours">hours</span> <span word="later">later</span>.</p><p><span word="Declarative">Declarative</span> <span word="memory">memory</span> <span word="refers">refers</span> <span word="to">to</span> <span word="the">the</span> <span word="ability">ability</span> <span word="to">to</span> <span word="consciously">consciously</span> <span word="remember">remember</span> <span word="facts">facts</span> <span word="and">and</span> <span word="events">events</span>, <span word="and">and</span> <span word="can">can</span> <span word="be">be</span> <span word="broken">broken</span> <span word="down">down</span> <span word="into">into</span> <span word="episodic">episodic</span> <span word="memory">memory</span> (<span word="memory">memory</span> <span word="for">for</span> <span word="events">events</span>) <span word="and">and</span> <span word="semantic">semantic</span> <span word="memory">memory</span> (<span word="memory">memory</span> <span word="for">for</span> <span word="facts">facts</span> <span word="about">about</span> <span word="the">the</span> <span word="world">world</span>).</p><p><span word="People">People</span> <span word="routinely">routinely</span> <span word="use">use</span> <span word="both">both</span> <span word="types">types</span> <span word="of">of</span> <span word="memory">memory</span> <span word="every">every</span> <span word="day">day</span> – <span word="recalling">recalling</span> <span word="where">where</span> <span word="we">we</span> <span word="parked">parked</span> <span word="today">today</span> <span word="or">or</span> <span word="learning">learning</span> <span word="how">how</span> <span word="a">a</span> <span word="colleague">colleague</span> <span word="prefers">prefers</span> <span word="to">to</span> <span word="be">be</span> <span word="addressed">addressed</span>.</p><p><span word="At">At</span> <span word="the">the</span> 12-<span word="hour">hour</span> <span word="retest">retest</span>, <span word="memory">memory</span> <span word="overall">overall</span> <span word="was">was</span> <span word="superior">superior</span> <span word="following">following</span> <span word="a">a</span> <span word="night">night</span> <span word="of">of</span> <span word="sleep">sleep</span> <span word="compared">compared</span> <span word="to">to</span> <span word="a">a</span> <span word="day">day</span> <span word="of">of</span> <span word="wakefulness">wakefulness</span>.</p><p><span word="At">At</span> <span word="the">the</span> 24-<span word="hour">hour</span> <span word="retest">retest</span>, <span word="with">with</span> <span word="all">all</span> <span word="subjects">subjects</span> <span word="having">having</span> <span word="received">received</span> <span word="both">both</span> <span word="a">a</span> <span word="full">full</span> <span word="night">night</span> <span word="of">of</span> <span word="sleep">sleep</span> <span word="and">and</span> <span word="a">a</span> <span word="full">full</span> <span word="day">day</span> <span word="of">of</span> <span word="wakefulness">wakefulness</span>, <span word="subjects">subjects</span>' <span word="memories">memories</span> <span word="were">were</span> <span word="superior">superior</span> <span word="when">when</span> <span word="sleep">sleep</span> <span word="occurred">occurred</span> <span word="shortly">shortly</span> <span word="after">after</span> <span word="learning">learning</span>, <span word="rather">rather</span> <span word="than">than</span> <span word="following">following</span> <span word="a">a</span> <span word="full">full</span> <span word="day">day</span> <span word="of">of</span> <span word="wakefulness">wakefulness</span>.</p><p>‘<span word="Our">Our</span> <span word="study">study</span> <span word="confirms">confirms</span> <span word="that">that</span> <span word="sleeping">sleeping</span> <span word="directly">directly</span> <span word="after">after</span> <span word="learning">learning</span> <span word="something">something</span> <span word="new">new</span> <span word="is">is</span> <span word="beneficial">beneficial</span> <span word="for">for</span> <span word="memory">memory</span>. <span word="What">What</span>'<span word="s">s</span> <span word="novel">novel</span> <span word="about">about</span> <span word="this">this</span> <span word="study">study</span> <span word="is">is</span> <span word="that">that</span> <span word="we">we</span> <span word="tried">tried</span> <span word="to">to</span> <span word="shine">shine</span> <span word="light">light</span> <span word="on">on</span> <span word="sleep">sleep</span>'<span word="s">s</span> <span word="influence">influence</span> <span word="on">on</span> <span word="both">both</span> <span word="types">types</span> <span word="of">of</span> <span word="declarative">declarative</span> <span word="memory">memory</span> <span word="by">by</span> <span word="studying">studying</span> <span word="semantically">semantically</span> <span word="unrelated">unrelated</span> <span word="and">and</span> <span word="related">related</span> <span word="word">word</span> <span word="pairs">pairs</span>,’ <span word="Payne">Payne</span> <span word="said">said</span>.</p>
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