I'm a night person

source : EnglishInKorean #7 아침형 인간 저녁형 인간

Observation point, viewpoint, observation deck : 전망대
The view is incredible from the observation deck.

Michael said '아침형(저녁형) 인간' might come from America.
Because there's exactly same expression in English.
A morning person / a night person (wow I didn't know that)
I'm a morning(night) person.
I've always been a morning person.
I've never been much a night person.
I'm really not a morning person. (그다지 아니다라는 어감)

I have trouble getting to sleep at night. (Insomnia; disaster!)
I have trouble waking up in the morning. (I'd better get more sleep rather than eat breakfast)