そんなに早く起きる

get up so early

→ そんな
phrase Rare #36,923
get up so early そんなに means “so” or “that,” referring to the degree or timing of getting up.
JA: あなたはそんなに早く起きる必要はない。
EN: You don't need to get up so 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ことに私は慣れていない。

I'm not used to getting up that early.

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.

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.

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.