昨日(きのう) kinouゆっくり yukkuri休(やす)ん()だ() yasunda分(ぶん) bun、今日(きょう) kyouは wa頭(あたま) atamaが ga冴(さ)え()て()い()る() saeteiru。 Thanks to having rested well yesterday, my mind is sharp today. introspection~分 (the amount/portion of)頭が冴える (mind is sharp)