Doyourememberyourdreams?Dopeoplehavethesamedreams?Whydowedream?Therearemanyquestionsaboutdreams.WedreamduringtheREM(rapid(快的)eyemovement)stage(阶段)ofsleep.WehaveaboutfiveperiodsofREMsleepduringthenight.ThefirstREMcycle(周期)lastsabout10minutes.Asthenightgoeson,theREMcyclegetslonger.Byearlymorning,theREMcyclecanlastupto90minutes.Usually,itisinthislastREMcyclethatwerememberourdreams.
Dreamschangeaspeopleage.Peoplemayhaveseveraldreamseachnight.Somearelikefilmsandusuallyincolour.Theycometousoverandoveragain.Thatmaybebecausethedreamerisworryingaboutsomethingandtryingtofindtheanswer.Sometimeswewakeupwithagoodfeelingfromadream.Butoftenwecan'trememberthedreamsclearly.
Itisreportedthattoomuchdreamingisbadforourhealth.Themorewesleep,thelongerwedream.Themindishardatwork.Thatiswhywemayhavealongsleepandstillfeeltiredwhenwewakeup.
True(T)orFalse(F):
WedreamduringtheREMstageofsleep.
A
T
B
F
Childrenagedeightorninehavethesamedreamsaspeopleagedthirty.
A
T
B
F
Allthedreamsareusuallyincolourlikefilms.
A
T
B
F
Thelongerwedream,thebetterwesleep.
A
T
B
F
Thepassageaboveistalkingaboutdreams.
A
T
B
F
