Ubufakazi obuyinhloko nezinombolo
| Umbuzo | Impendulo esekelwe ebufakazini | Incazelo |
|---|---|---|
| Ingabe isikhathi sokusabela sithuthuka ngendlela efanayo kuwo wonke umuntu? | Alikho inani elaziwayo elingama-millisecond | Imisebenzi nabantu bayehluka |
| Iluphi uhla olubonakala ocwaningweni lokubuyekeza olubanzi? | Cishe 40–300 mg | Imithamo ephansi kuya kweliphakathi eyacwaningwa, hhayi incwadi kadokotela |
| Kuthiwani ngokulala okulandelayo? | Isikhathi sokulala sisonke sehla cishe ngemizuzu engu-45 ngokwesilinganiso ekuhlaziyweni kwezifundo eziningi | Umphumela ohlanganisiwe wezindlela ezahlukene zokusebenzisa i-caffeine |
Ucwaningo olubanzi lokusebenza luhlukanisa imiphumela ethembeke kakhulu ekuqapheni nasekunakeni kuleyo engathembeki kangako enkumbulweni nasemisebenzini yokuphatha eyinkimbinkimbi. Ngakho ukusabela okulula okusheshayo akusho ukuthi zonke izici zokucabanga sezithuthukile. Ucwaningo lokunaka luphinde lubheke umehluko phakathi kwemisebenzi, ukusetshenziswa okuvamile nokuyeka i-caffeine. McLellan et al., 2016 Einöther et al., 2012
Kungani isimo sokuqala sibalulekile
Ukungalali ngokwanele kwehlukile ekuphumuleni kahle. Ucwaningo lokunciphisa isikhathi sokulala lubonisa ukuthi ukuphazamiseka kokunaka kuya ngokwanda, futhi ukuhlaziywa kwezifundo eziningi zokungalali nhlobo kubonisa ukuthi amakhono engqondo awathinteki ngokulinganayo. Umphumela wesikhuthazi kumuntu ozumayo awunakuthathwa ngokuzenzakalelayo njengenzuzo efanayo kumuntu ophumule kahle. Van Dongen et al., 2003 Lim et al., 2010
Imiphumela yokuhlola ukuqapha nayo iyahluka. Ucwaningo lwaselabhorethri lungalinganisa izikhathi lapho umuntu ephuza khona ukuphendula, isivinini sokusabela nesikhathi esichithwa emsebenzini; umdlalo omfushane ungagcizelela isilinganiso noma ukusabela okuhle kakhulu. UBasner noDinges babonisa ukuthi ukukhetha umphumela othile kuthinta ukuzwela kokuhlolwa kokuqapha kwengqondo nokunyakaza ekulahlekeni kokulala. Basner et al., 2011
Ingabe umthamo omkhulu uletha umphumela ongcono?
Ucwaningo lokunaka alutholanga mpendulo ecacile ngokuhluka okuhlobene nomthamo nangomthelela wokusebenzisa i-caffeine njalo. Ukuthi ezinye izivivinyo zithole izinzuzo akubona ubufakazi bokuthi kufanele kwandiswe lokho okuphuzwayo kuze kuvele amaphuzu akho aphezulu. Ubufakazi abuqinisekisi futhi ishadi lemithamo yokuhlolwa kwesiphequluli elihlukaniswe ngeminyaka, ubulili noma ubukhulu bomzimba. Einöther et al., 2012
Yini ekuthintayo?
Kufanele kubalwe nomthelela ekulaleni
Ukuhlaziywa kwezifundo zokulala kukaGardiner nozakwabo kwathola ukuthi isikhathi sokulala sisonke sehla ngokwesilinganiso ngemizuzu engu-45 ngemva kokusebenzisa i-caffeine. Kuhlanganiswe imithamo, izikhathi zokuyisebenzisa nabahlanganyeli abahlukene, ngakho lesi silinganiso esihlanganisiwe asibikezeli ukuthi umuntu othile uzolala kanjani. Siyabonisa ukuthi kungani inzuzo esheshayo yokuqapha kungafanele ihlulelwe yodwa ngaphandle kokubheka ukulala okulandelayo. Gardiner et al., 2023
Ocwaningweni olulawulwa nge-placebo, u-400 mg owanikezwa ngesikhathi sokulala, amahora amathathu ngaphambi kokulala noma amahora ayisithupha ngaphambi kokulala waphazamisa ukulala. Lona umthamo omkhulu owahlolwa, hhayi inani elituswayo. Umphumela wokulinda amahora ayisithupha akufanele futhi uphendulwe isiqinisekiso sokuthi akekho ozothinteka ngemva kwaleso sikhathi. Drake et al., 2013
Ukuqhathanisa komuntu siqu kungakutshelani ngempela?
Umphumela ongcono owodwa ngemva kwekhofi uhlanganisa ukulindela, ukuzijwayeza, ukuguquguquka okuvamile, isikhathi sosuku nokuthola i-caffeine. Ukugcizelela kocwaningo lokunaka ekuqhathaniseni okulawulwayo kubalulekile: umdlalo ongahlelelwanga ngaphambi nangemva awuhlukanisi umphumela womuthi. Ukukhetha ngokuphindaphindiwe umphumela wakho omuhle kakhulu kwenza kube nzima nakakhulu ukusho ukuthi ubangelwe yini. Einöther et al., 2012
Uma usuvele usebenzisa i-caffeine, ukuqopha lokho ovame ukukusebenzisa nokulala kwakho kanye nezivivinyo ezenziwe ngaphansi kwezimo ezicishe zifane kungaba ukubheka nje okungahlelekile. Akusona isizathu sokuqala ukusebenzisa i-caffeine, ukwandisa umthamo noma ukuncisha ngamabomu ubuthongo ukuze uhlolwe. Isivumelwano sochwepheshe ngokulala kwabantu abadala sisekela ukulala okwanele njalo; ucwaningo nge-caffeine aluqinisekisi ukuthi ukuvuseleleka komzimba kwenza ukulala kungasadingeki. Watson et al., 2015 Van Dongen et al., 2003
Isiphetho esinengqondo silinganiselwe kunesithembiso sokuthuthukisa amakhono: i-caffeine ingathinta ukusebenza emisebenzini yokunaka ezimweni ezithile, kanti imiphumela ekucabangeni okuyinkimbinkimbi nasekulaleni okulandelayo kufanele icatshangwe ngokwehlukana. Alukho ucwaningo olucashuniwe oluqinisekisa ukuthi i-caffeine noma umdlalo kukwenza uhlakaniphe ngokujwayelekile. McLellan et al., 2016 Gardiner et al., 2023
Zama ukuhlolwa kwamahhala okuhlobene nalokhu
Ukuhlolwa kwesikhathi sokusabela
Zama ukuhlolwa kwesikhathi sokusabela ukuze ubone ukuthi lo msebenzi unjani, ngaphansi kwezimo ojwayele ukuba kuzo. Gcina indlela yokuhlola ifana uma ulandela imiphumela. Ukuhlolwa akukhuthazi imithamo ye-caffeine futhi akunqumi ukuthi yiziphi izinto ezikufanele.
Imibuzo evamile
Ikhofi lizongenza ngisabele ngokushesha kangakanani?
Ucwaningo lokubuyekeza alunikezi isilinganiso esisodwa esithembekile sama-millisecond kumuntu ngamunye. Isimo sokuqala nomsebenzi kubalulekile. McLellan et al., 2016
Ingabe izinzuzo zimane ziwukubuyisela emuva izimpawu zokuyeka i-caffeine?
Ucwaningo lokunaka luphetha ngokuthi izinzuzo azinakuchazwa zonke ngaleyo ndlela, kodwa luphinde luveze ukungaqiniseki ngokusetshenziswa okuvamile nangokwehluka kwemithamo. Einöther et al., 2012
Ingabe i-caffeine ingathatha indawo yokulala?
Ukuqapha okuthuthukile emsebenzini othile akususi ukuphazamiseka okuqongelelekayo okuqoshwe lapho kuncishiswa isikhathi sokulala, noma amathuba okuphazamiseka kokulala kamuva. Van Dongen et al., 2003 Drake et al., 2013
Imithombo
- McLellan et al. (2016). Ukubuyekezwa kwemiphumela ye-caffeine ekusebenzeni kwengqondo, komzimba nasemsebenzini.
- Einöther et al. (2012). I-caffeine njengento ethuthukisa ukunaka: ukubuyekezwa kwemibono ekhona.
- Gardiner et al. (2023). Umthelela we-caffeine ekulaleni okulandelayo: ukubuyekezwa okuhlelekile nokuhlaziywa kwezifundo eziningi.
- Van Dongen et al. (2003). Izindleko eziqongelelekayo zokuhlala uphapheme isikhathi esengeziwe: imiphumela yokunciphisa isikhathi sokulala isikhathi eside nokungakulali nhlobo emisebenzini yokuziphatha kwengqondo nasemzimbeni ngesikhathi sokulala.
- Lim et al. (2010). Ukuhlaziywa kwezifundo eziningi komthelela wokuncishwa ubuthongo kwesikhashana kumakhono okuqonda..
- Basner et al. (2011). Ukukhulisa ukuzwela kokuhlolwa kokuqapha kwengqondo nokunyakaza (PVT) ekulahlekeni kokulala.
- Drake et al. (2013). Imiphumela ye-caffeine ekulaleni uma iphuzwa amahora angu-0, 3 noma 6 ngaphambi kokulala.
- Watson et al. (2015). Isikhathi sokulala esituswayo kumuntu omdala ophile kahle: isitatimende sesivumelwano esihlanganyelwe se-American Academy of Sleep Medicine ne-Sleep Research Society.