Tijaabooyin aragu waxay hubiyaan hawlo badan oo kala duwan ee isha.Kuwo kale ayaa laga yaabaa inay eegaan sida aad ugu nugul tahay iftiimidda (iftiin dhalaalka), sida wanaagsan ee indhahaagu u wada shaqeeyaan si ay u bixiyaan aragti qoto dheer, iwm. Imtixaannada aragga waxaa badanaa la sameeyaa imtixaanno iyo shaybaadhyada hubinaya caafimaadka isha.