Practice1<br/>Areyouarealgrump(脾气坏的人)inthemornings?Doyouwakeupeverydayfeelingtired,angryandupset,andalltooreadytoflitthesnooze(瞌睡)button?Ifso,thenanewalarmclockcouldbejustforyou.<br/>Theclock,calledSleepSmart,measuresyoursleepcycle,andwaitsforyoutobeinyourlightestphaseofsleepbeforewakingyouup,Itsmakerssaythatshouldensureyouwakeupfeelingrefreshed(恢复精力)everymorning.<br/>Asyousleepyoupassthroughasequenceofsleepstates—lightsleep,deepsleepandREMsleep(快速眼动睡眼)—thatrepeatsapproximatelyevery90minutes.Thepointsinthatcycleatwhichyouwakecanaffecthowyoufeellater,andmayevenhaveagreaterimpactthanhowlongorlittleyouhaveslept.Beingwakenedduringalightphasemeansyouaremorelikelytowakeupcheerfulandfulloflifeandinterest.<br/>SleepSmartrecordsthedistinctpatternofbrainwavesproducedduringeachphaseofsleep,viaaheadbandequippedwithelectrodes(电极)andamicroprocessor.Thismeasureselectricactivityofthewearer’sbrain,andcommunicateswirelesslywithaclockunitnearthebed.Youprogramtheclockwiththelatesttimeatwhichyouwanttobewakened,anditthenatthepropertimewakesyouduringthelastlightsleepphasebeforethat.<br/>TheconceptwasinventedbyagroupofstudentsatBrownUniversityinRhodeIslandafterafriendcomplainedofwakinguptiredandperformingpoorlyonatest.“Assleep-deprived(剥夺)peopleourselves,westartedthinkingofwhattodoaboutit,”saysEricShashoua,arecentcollegegraduateandnowchiefexecutiveofficerofAxonSleepResearchLaboratories,acompanycreatedbythestudentstodeveloptheiridea.Theyhavealmostfinishedaprototypeandplantomarkettheproductbynextyear.

<spanstyle="display:block;text-align:center;">Practice1</span>Areyouarealgrump(脾气坏的人)inthemornings?Doyouwakeupeverydayfeelingtired,angryandupset,andalltooreadytoflitthesnooze(瞌睡)button?Ifso,thenanewalarmclockcouldbejustforyou.<br/>Theclock,calledSleepSmart,measuresyoursleepcycle,andwaitsforyoutobeinyourlightestphaseofsleepbeforewakingyouup,Itsmakerssaythatshouldensureyouwakeupfeelingrefreshed(恢复精力)everymorning.<br/>Asyousleepyoupassthroughasequenceofsleepstates—lightsleep,deepsleepandREMsleep(快速眼动睡眼)—thatrepeatsapproximatelyevery90minutes.Thepointsinthatcycleatwhichyouwakecanaffecthowyoufeellater,andmayevenhaveagreaterimpactthanhowlongorlittleyouhaveslept.Beingwakenedduringalightphasemeansyouaremorelikelytowakeupcheerfulandfulloflifeandinterest.<br/>SleepSmartrecordsthedistinctpatternofbrainwavesproducedduringeachphaseofsleep,viaaheadbandequippedwithelectrodes(电极)andamicroprocessor.Thismeasureselectricactivityofthewearer’sbrain,andcommunicateswirelesslywithaclockunitnearthebed.Youprogramtheclockwiththelatesttimeatwhichyouwanttobewakened,anditthenatthepropertimewakesyouduringthelastlightsleepphasebeforethat.<br/>TheconceptwasinventedbyagroupofstudentsatBrownUniversityinRhodeIslandafterafriendcomplainedofwakinguptiredandperformingpoorlyonatest.“Assleep-deprived(剥夺)peopleourselves,westartedthinkingofwhattodoaboutit,”saysEricShashoua,arecentcollegegraduateandnowchiefexecutiveofficerofAxonSleepResearchLaboratories,acompanycreatedbythestudentstodeveloptheiridea.Theyhavealmostfinishedaprototypeandplantomarkettheproductbynextyear.