insomnia
🇺🇸
/ɪnˈsɑːmniə/
🇬🇧
/ɪnˈsɒmniə/
not being able to sleep
She has insomnia and often stays awake all night.
그녀는 불면증을 앓고 있으며, 종종 밤새 깨어 있다.