Ukuze bathole izinzuzo zokulala, abantu kufanele bafake ukwelashwa kokukhanya ohlelweni lwabo lwansuku zonke futhi bazame ukunciphisa ukuchayeka ekukhanyeni okuluhlaza okwesibhakabhaka okukhanyayo. Lokhu kubaluleke kakhulu emahoreni angaphambi kokuba ulale. Ngokusetshenziswa njalo, abasebenzisi bezokwelapha kokukhanya bangabona ukuthuthuka emiphumeleni yokulala, njengoba kuboniswe ezivivinyweni zemitholampilo ezibuyekezwe ontanga kanye nokubuyekezwa. [1]
Isiphetho: Ukwelashwa Okukhanyayo Kwansuku Zonke Okuqhubekayo Kungcono Kakhulu
Kunemikhiqizo eminingi yokwelapha ngokukhanya ehlukahlukene kanye nezizathu zokusebenzisa ukwelashwa ngokukhanya. Kodwa ngokuvamile, isihluthulelo sokubona imiphumela ukusebenzisa ukwelashwa ngokukhanya njalo ngangokunokwenzeka. Kungcono nsuku zonke, noma izikhathi ezingu-2-3 ngosuku ezindaweni ezithile zezinkinga njengezilonda zomkhuhlane noma ezinye izimo zesikhumba.
Imithombo kanye Nezinkomba:
[1] Morita T., Tokura H. “Imiphumela yokukhanya kokushisa okunemibala ehlukene ezinguqukweni zasebusuku ekushiseni okuyinhloko kanye ne-melatonin kubantu” Ijenali ye-Physiological Anthropology. 1996, Sept.