HSK 2
Wǒ zuówǎn yòu shīmián le.
I had insomnia again last night.
HSK 4
Yālì tài dà róngyì dǎozhì shīmián.
Too much stress can easily lead to insomnia.
HSK 7-9
Tā jīngcháng shīmián, měitiān dōu hěn píbèi.
She often has insomnia and feels exhausted every day.