Waking up at three o'clock in the morning is such a stree.
Waking up in the middle of the night is so annoying.
ーWaking up at three o'clock in the morning and not being able to go back to sleep is such a distress.
「朝の3時に目が覚めてまた眠りにつけないのは悩みだ」
to wake up で「目覚める・覚醒する」
to go back to sleep で「再び眠りにつく」
distree で「悩みの種」
ーWaking up in the middle of the night and not being able to fall asleep again is so annoying.
「夜中に目が覚めてまた眠りにつけないのは厄介だ」
in the middle of the night で「夜中に・夜更けに」
to fall asleep で「寝入る・眠る」
annoying で「厄介な・イライラさせる・鬱陶しい」
ご参考まで！
カナダ 
