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?g ksÈhkak ´k meh .Kk yßhgu oek.kak
kskao .ek fkdo;a uú;h okjk lreKq

we;af;kau wms f.dvla uykais fj,d bkakfldg wfma is;g fukau lhg iqjhla tfyu;a ke;a;ï úfõlhla ,nd .ekSug wms iqj kskaola wfmalaId lrkjd' we;af;kau wms ksod .kafka wehs lsh,d Thd, fmdâvlaj;a fydh,d neÆjo @

f;dauia w,ajd täika .ek Thd, wid ;sfnk nj uu fydogu okakjd' Thd, okakjo Tyq kskao ld,h kdia;s lsÍula f,i i,lkq ,enqjl= nj @ kefmda,shka" hlv .eyeKsh f,i úreodj,sh ,;a ud.%Ü ;ep¾ ta jf.au *af,drkaia khsákaf.a,a kskao ,nd .;af;a rd;%sfha meh y;rla nj oekka ysáhdo @

oeka wfma ud;Dldj fj;g wms huqflda' we;a;gu wehs wms ksod.kafka @ we;af;kau thg kshdudldr ms<s;=rla úoHd{hskag Y;j¾I .Kkdjla ;siafia;a fidhd .ekSug fkdyels ù we;ehs lSu w;sfYdala;shla fkdfjhs' ljqre;a ;yjqre lrk ,o ms<s;=rla ,nd § fkdue;' uu uq,skau ioyka l<d jf.a iuyr mqoa.,fhlag lshkak mq¿jka oji ;siafia we;s uykaish iukh lr.kak ;uhs kskao wjYH fjkafka lsh,d' ta jf.au meh wgla ksod .kakd mqoa.,fhl=f.ka Yla;sh wdrlaId fjk nj;a fidhd f.k ;sfnkjd'


wmsg iqjodhl kskaola ,nd .ekSug isÿfjkjd' ula ksido h;a l:kh" ks¾udKYS,S yelshdjka" u;lh jeks fud,fha jeä ÈhqKqj flfrys n,mdk idOl j,g iqjodhl kskao u.ska iqúfYaIS ld¾hla isÿlrk ksid'

kskaola ,nd fkd.;af;d;a fudlo fjkafka @

wms l;d l,dfka kskaola ,nd .ekSu u.ska mqoa.,fhl=f.a fud,h iïnkaO l%shdldrlï jeä ÈhqKq fjkjd lsh,d' tfykï idudkH kskaolaj;a ,nd fkd.;af;d;a ke;a;ï ksÈurK mqoa.,hskaf.a fud,h iïnkaO l%shdldrlï j,g ;on, n,mEula t,a, lrkjd' Tn tl È.gu ksÈ urK mqoa.,fhl= kï Tn jyd lsfmk" ks;r flaka;sfhka isák" jyd wu;l jk" oji mqrdu w,ij isák mqoa.,fhl= úh yelsh' tl /hla ksÈ urmq mqoa.,hl=f.a udkisl tald.%;djh ^concentration& wvq ùu;a isÿúh yelsh' tjeks miq wdndO isÿ ùug uq,slu fya;=j fud,fha wl¾ukH l%shdldß;ajhhs'

Thd, fukak fïl;a oekka bkak tl fydohs'ta fudllao mqoa.,fhl=f.a blaukska m%;spdr oelaùu ksis whqßka mj;ajd f.k hdug jf.au fõ.j;a m%;spdr j,g o kskao hïlsis n,mEula lrk nj m¾fhaIK u.ska fidhdf.k ;sfhk nj'

kskafoa§ fudlo fjkafka @

wms kskafoa§ fjk foaj,a fldákau okafka keye lsõfjd;a tl ksjerÈhs'

kskao we;s jkafka úkdä 90la 110la we;=,; wdj¾:shj isÿjk pl%hla ^recurrence cycle& ksidfjks' ta jf.au wmsg fldgia follg kskao fnokak mq¿jka'

^1& REM sleep iy
^2& NON - REM sleep f,ighs

uu b;du;a ir,j fï fldgia fol Thd,g lsh, fokakïfld'

^1& REM sleep lshkafka rapid eye movement lshk tlghs' fuu wjia;dj we;s jkafka wms kskaog f.dia úkdä 70la 90la w;rÈhs' Thd, fkdokakjd jqkdg idudkHfhka kskaol§ REM ;=fka isg myla muK fjklka we;sfjk nj fidhd f.k ;sfhkjd' Thd, ta jf.au fkdoekqj;aj bkakg we;s mqoa.,fhl= wjÈ ù isákjdg jvd fud,fha l%shdldß;ajh jeä fï wjia:dfõ§ nj' ta jf.au Thd, ySk olskafk;a fï wjia:dfõ§ nj' rinr ySk jf.au ÿlanr ySk;a n,dfmdfrd;a;= f.k fok ySk;a olskak we;s' isysk oelSu iïnkaOfhka l:d lrkak fjkafka ufkda úoHdj;a tlalhs ^Psychology& is.auka fm%dhsâ .ek Thd, wy, we;s' Tyq ;uhs ñksfil=g is;a folla tkï Wvq is; iy há is; hkqfjka we;s nj fidhd f.k ta ms,snoj m¾fhaIK lr,d isysk oelSu iy há is; w;r iïnkaOhla we;s nj fidhd .;af;a' ta iïnkaOfhka kï uu l:d lrkak hkafka keye fu;ek§ fudlo tl fjku ud;Dldjla ksid'

ta jf.au ñksia YÍrh we;=f,a b;du wmqre l%shdj,shla isÿ fjkjd fï wjia:dfõ§' reêr mSvkh jf.au wdYajdi m%Yajdi fõ.h;a by, hkjd jf.au isrer ;djld,slj wl¾ukH lrkjd ta lshkafka paralyze ;;afjg m;a lrkjd' ke;a;ï wms olsk isysk j,g wfma fN!;sl YÍrhla l%shd;aul fjkak mgka .kakjd'

^2& NON - REM sleep l,ska uu REM sleep .ek meyeÈ,s l,dfka tfykï b;ska fï wjia;dj .ek Thd,g jegySula we;s lsh,d uu ys;kjd' fuys;a ;j w;=re wjia:d y;rla ;sfnkjd'

stage one - light sleep : fï wjia:dfõ§ ;uhs mqoa.,fhl= kskao iy fkdkskao w;r bkafka' ta lshkafka ndf.g ksÈ mqoa.,fhl= bkafka fï wjia;dfjÈhs' mqoa.,fhl=g blaukska wjÈ ùug yelsjkafka fï wjia:dfõ§ ;uhs'

stage two - true sleep : light sleep tflka úkdä 10lg miafia mqoa.,fhla t<fUkafka fojeks wjia;dj fyj;a true sleep stage tlghs' wdYajdi m%Yajdi fõ.h jf.au yojf;a fõ.ho ál ál wvq ùugo mgka .kakjd' fuu wjia;dj ie,flkafka mqoa.,fhl=f.a kskafoa jeäu fj,djla iukaú; fldgi yeáhghs'

stage three and four - deep sleep : ;=kafjks wjia:dfõ§ fud,fhka fv,agd ;rx. ^ delta waves & msg ùug mgka .kakjd' tu ;rx. úYd, úia;drhlska jf.au l=vd ixLHd;hlska iukaú; fjkjd' ta jf.au fuu wjia:dfõ§ wdYajdi m%Yajdi fõ.h jf.au yojf;a fõ.ho b;du wvq m%udKhlska ;uhs mj;skafka'

y;rfjks wjia:dfõ§ hïlsis ßoauhlg wkqj wdYajdi m%Yajdih isÿfjkjd jf.au iSudiys;j fmaYs l%shdldß;ajhla mj;skjd' fujeks wjia;djl Tn wjÈ jqjfyd;a tla jru mshú f,djg wkq.; ùug fkdyels fjkjd' ta jf.au f.dvla fj,djg w,i .;shla" fldam .;shla úkdä lsysmhla hk;=re mj;skjd' l=vd <uqka kskafoka weú§u jf.a ld¾hka isÿ lrkafka fï isjqfjks wjia;dfjÈhs'

wmg fldmuK fj,djla kskao wjYHo @

wmg kskao i|yd ksYaÑ; ld,hla kS¾Kh lsÍug fkdyelsh' th mqoa.,hdf.ka mqoa.,hdg fjkia úh yelsh' sleep profile   wkql=,j mqoa.,hska meh 5la 11la w;r m%udKhl kskaola ,nd .ekSug reÑl;ajhla olajkjd' th idudkHhla f,i .;af;d;a meh 7'75la fjkjd'

uu Thd,g kskao .ek ;sfhk jd¾;d lsysmhl=;a lsh,d wjidk lrkakï' ux ys;kjd Thd, fldÉpr ksod .;a;;a fkdokakd lreKq fndfyduhla fï u.ska ok .;a; njg' oeka tfykï ksod .kakfldg fï lshmq ldrKd ál;a u;lfha ;shdf.ku ksod .kakfld'

oekg tl È.g fkdksod f.k f,dal jd¾:djla ;nd we;af;a Èk 11la tl È.g fkdksomq Randy Gardner 1965 j¾Ifha§' mqÿuhs fkao @ ug kï tfyu bkak ys;kak j;a neye'

kskao lshkafk wmg ke;=ju neß fohla' yenehs iuyrekag yßhg ksÈhkak fjkafk keye' wjYH m%udKhg kskao fkd,efnkj lshkafk YÍr fi!LHhg fyd| fohla fkfjhs'

jevqKq ñksfil=g Èklg meh 6laj;a kskaola ´k lsh, lshkj jf.au meh 8laj;a ´k lsh,;a lshkj' fï ms<n| m¾fhaYKhla lrmq mska,ka;fha úoHd{fhd oeka lshkafk Bg fjkia l;djla' Tjqka fmkajd fokafk ldka;djlg tla /hlg meh 7'6 ^ñks;a;= 456& ld,hl kskaola ,eìh hq;= njhs' fï m¾fhaYKfhÈ;a msßñkag jdishla fj,d ;sfhkj' fudlo fï úoHd{hskag wkqj msßñfhla Èklg meh 7'8 ^ñks;a;= 468& ld,hla ksokak ´k'

mska,ka; iudc wdrlaIK wdh;kh ueÈy;afj,d mj;ajmq fï m¾fhaYKhg mqoa.,hska 3760la iyNd.S lrf.k ;sfnkj'

Source | fos.cmb.ac.lk

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