Ukulala ubuthongo, owaziwa ngokuba yi-REM okanye ukunyakaza kwamehlo okukhawuleza kwamehlo, ngenye yezinto ezibini zokulala. Esinye isimo esisiseko sokulala silele ukulala okanye i-Eye fast-eye movement.
Ukulala ubuthongo kuphawulekayo ngenxa yokuhamba kwamehlo okukhawuleza (REM). Iingcamango zingenzeka ngexesha lokulala kwe-REM, kungenxa yoko kukwaziwa ngokufana nokuphupha ukulala.
Iingcamango aziqhelekanga ngezinye iindawo zokulala.
Ukuphupha Ukulala
Ukulala ubuthongo kuyingcamango yobuthongo obukhulu kunye nomsebenzi ophezulu wengqondo kwi-forebrain kunye ne-midbrain. Ibonakala ngokukwazi kwamaphupha ukuba kwenzeke, kunye nokungabikho kwemoto ngaphandle kwemisipha yamehlo kunye nesithintelo. Amaphupho okulala ahamba ngokuphindaphindiweyo ngamaxesha amaninzi ngexesha lokulala, kodwa luquka inxalenye encinci yomjikelezo wokulala .
Ngexesha lokulala kwe-REM, kukho utshintsho kwixinzelelo legazi , izinga lentliziyo, kunye nomlinganiselo wokuphefumla. Kwakhona ngexesha lokulala kwe-REM, ukuhamba kwegazi kwanda kwintsholongwane, kunye ne-penis ne-clitoris, ekhokelela kwi-engorgement. Ubuthongo be-REM bubunzulu bokulala, kodwa aluyi kulandelwa inxalenye enkulu yomjikelezo wokulala.
Ukungabikho Ukuphupha Ukulala
Ukulala ubuthongo, okanye i-REM yenye yezinto ezibini zokulala. Esinye isimo esisisiseko sokulala asikho ngokukhawuleza ukuhamba kwamehlo okulala okanye ukulala kwe-NREM.
I-NREM iphinde ibhekiswe njengokulala okungaphuthiyo, njengoko amaphupha awayekhoyo ngexesha lelo lokulala. Ngokungafani nokulala kwe-REM eyona nto, inqanaba lokulala, iNREM inezigaba ezintathu ezahlukeneyo.
Izigaba ezintathu ezihlukeneyo zokulala kwe-NREM zi-N1, N2, kunye ne-N3, kwaye uhlangothi ngalunye lwahlukeneyo luye lwahlukileyo, oluhlukileyo, nolwazi olubonakalayo lwamagqabini engqondo.
Ukulala kwamehlo okungahambi ngokukhawuleza kubonakala ngokubhekiselele kumlinganiselo owehlayo wegazi ukuphuma kwiingqondo kunye nemisipha yomzimba.
Imiqulu Yokulala
I-REM kunye ne-NREM yokulala ngokunye kwimijikelezo ubusuku bonke. Ngokuqhelekileyo, kukho imijikelezo emine ukuya kweyesithandathu eyahlukeneyo yokulala kwe-NREM ubusuku bonke. Le mijikelezo ye-NREM yokulala ibingelwa inxalenye enkulu yokulala ubusuku bonke. Ukujikeleza kokulala kwe-NREM kulandelwa zikhathi zokulala kwe-REM, obuthongo obukhulu kakhulu. Ngokuqhelekileyo, imijikelezo yokulala idlulileyo malunga nemizuzu engama-90.
Njengoko ubusuku bobusuku buqhubeka, amaxesha e-NREM ahlala anciphise ubude, ngelixa ixesha lokulala kwe-REM lide. Ngamanye amazwi, kuthatha ixesha lokuba ubuthongo obunzulu bungathatha ngokuhlwa. Ngenxa yalesi sizathu, ukulala kwe-REM akuqhelekanga kufumaneka ngexesha le-naps elifutshane. Ngokomyinge, umntu omdala uchitha malunga ne-25% yobusuku kwi-sleep sleep. Ipesenti yexesha elichithwe kwi-REM yokulala inganciphisa ngobudala.
Eyaziwayo Njengaye: Ukuphupha ukulala kukwabizwa ngokuba yi-REM ukulala okanye ubuthongo obuhle. Ukulala kwe-NREM kuyaziwa njengokulala okungaphuthiyo, njengoko amaphupha ayenzeka ngexesha lokulala kwe-REM.
Imizekelo: Ukuphupha ubuthongo, owaziwa nangokuthi ubuthongo be-REM, kwenzeka ngokujikelezayo ngobusuku kodwa akenzi isahlulo esikhulu somjikelezo wokulala.