あたまがさえ
Meanings
Expression
Verb (1-dan)
1. to be clear-headed
often 頭が冴えた
Composed of
head; hair (on one's head); mind; brains; leader; chief; top
to be clear (of a sight, sound, colour, etc.); to be bright; to be clear-headed; to be alert; to look upbeat; to be perky; to master (a skill)