La i-caffeine uhlobo lwe-alkaloid evuselela ubuchopho nohlelo lwezinzwa, isenzo esivumayo ezimweni ezithile futhi esingesihle empilweni uma sidliwe ngokweqile futhi ngokungafani nalokho abantu abaningi abakucabangayo, ayitholakali kuphela ekhofi, kodwa futhi iyingxenye ye-carbonated, iziphuzo zamandla, ushokoledi, itiye, njll
Una inkomishi yekhofi iqukethe phakathi kuka-40 no-100 mg we-caffeine, ngenkathi isiphuzo esithambile singaqukatha cishe u-50 mg, kanye nephilisi le-caffeine ukuze uhlale uphapheme lingaba phakathi kuka-100 no-200 mg, kepha ukusetshenziswa kwe-caffeine yize kufeza umsebenzi wokusigcina siphapheme, Imiphumela yengqondo.
El Inzuzo enkulu ye-caffeine ukuhlinzeka ngokuqapha okukhulu nokugxila, kodwa lokhu kwenzeka kuphela isikhathi esifushane, into engabhekwa njengefanele ngemuva kobusuku obubi, ukugwema ukozela ngakusasa, kepha hhayi ukuyithatha njengenjwayelo.
La I-caffeine ithinta i-cerebral cortex futhi ibophezela kuma-adenosine receptors, ngokusho kwe- Inyuvesi yaseMinnesotaAbokugcina banesibopho sokwenza umuzwa wokulala, ngakho-ke uma bavinjelwe sizizwa siphapheme noma siphapheme, futhi sigxile, okungaba wusizo kulo lonke umsebenzi noma usuku lokufunda.
Nokho ngokusho Isikole Sezomthetho saseMichigan State University, uxwayise ukuthi i-caffeine eyeqile nsuku zonke ingadala ukucindezeleka, ngoba le nto iphendula ezimeni ezicindezelayo, ivimbela umzimba ukuthi ukwazi ukubhekana nalesi simo.
El I-caffeine eyeqile ingaholela emaphethini wokulala aphazamisekile, okuholela esimweni sokukhathala okujwayelekile futhi empeleni i- ukuqwasha.
Ithiphu enempilo: Ukusetshenziswa kwayo kunconywa okungenani amahora amane ngaphambi kokulala, ngoba uma kungenjalo kuzoba nzima kakhulu ukulala ngokwemvelo.
Isithombe: MF