La I-caffeine luhlobo lwe-alkaloid evuselela ubuchopho kunye nenkqubo yovalo, isenzo esithandekayo kwiimeko ezithile kwaye esingathandekiyo kwimpilo xa sigqithisile kwaye ngokungafaniyo nabantu abaninzi abacinga ukuba, ayifumaneki kuphela kwikofu, kodwa ikwayinxalenye yecarbonated, iziselo zamandla, itshokholethi, iti, njl.
Omnye Ikomityi yekofu iqulethe phakathi kwe-40 kunye ne-100 mg ye-caffeine, ngelixa isiselo esinxilisayo sinokuqulatha malunga ne-50 mg, kunye nepilisi ye-caffeine ukuze uhlale uphaphile ingaba phakathi kwe-100 kunye ne-200 mg, kodwa ukusetyenziswa kwecaffeine nangona kuzalisekisa umsebenzi wokusigcina siphaphile, Iziphumo zengqondo.
El Olona ncedo luphambili lwecaffeine kukubonelela ngokuqaqamba ngakumbi kunye noxinzelelo, kodwa oku kwenzeka kuphela ixesha elifutshane, into enokuthi ithathwa njengefanelekileyo emva kobusuku obubi, ukunqanda ukozela kosuku olulandelayo, kodwa hayi ukuyithatha njengesiqhelo.
La I-caffeine ichaphazela i-cortex yecerebral kunye nokubopha kwi-adenosine receptors, ngokuka KwiYunivesithi yaseMinnesotaElokugqibela linoxanduva lokuvelisa imvakalelo yokulala, ke ngoko xa bethintelwe siziva siphaphile okanye silumkile, kunye nokugxila, okunokuba luncedo kuwo wonke umsebenzi okanye usuku lokufunda.
Nangona kunjalo ngokwe Isikolo seYunivesithi yaseMichigan State, lumkisa ukuba Ukutya kakhulu icaffeine yonke imihla kunokubangela uxinzelelo, kuba le nto iphendula kwizimo zoxinzelelo, ithintela umzimba ekubeni ukwazi ukumelana nale meko.
El Ukutya kakhulu icaffeine kunokukhokelela kwiindlela zokulala eziphazamisayo, ekhokelela kwimeko yokudinwa ngokubanzi kwaye ngokuqinisekileyo i ukuphuthelwa.
Ingcebiso esempilweni: Ukusetyenziswa kwayo kuyacetyiswa ubuncinci iiyure ezine ngaphambi kokulala, kuba kungenjalo kuya kuba nzima kakhulu ukulala ngokwendalo.
Umfanekiso: MF