そんなに早く起きる

wake up that early

→ そんな
phrase Rare #34,626
wake up that early Used to refer to waking up unusually or excessively early, often with a sense of “so early.”
JA: 明日はそんなに早く起きる必要はない。
EN: You don't need to wake up that early tomorrow.

あなたはそんなに早く起きる必要はない

You don't need to get up that early.

そんなに早く起きることに私は慣れていない

I'm not used to getting up that early.

彼はそんなに早く起きる必要はない

He doesn't need to get up that early.

彼がそんなに早く起きるのは困難だろう

It would be difficult for him to get up that early.

そんなに早く起きる必要はなかったのに

You didn't need to get up so early.