I slept through the whole flight actually and I feel much better.

实际上，我在整个飞行过程中都睡着了，我感觉好多了。

youdao

Whenever I feel washed-out I go on a quick holiday and then I feel much better.

每当我感到疲惫的时候就休一个短暂的假期，之后就会觉得好多了。

youdao

I can't believe how much better I feel.

真想不到我觉得好多了。

《牛津词典》

She is sixty-five. "I feel much better.

VOA: special.2010.07.16

I feel so much better.

我感觉好多了。

That's what 实战 - SpeakingMax英语口语达人

"Last week I started to feel much better, " Nadal said.

WSJ: Jason Gay: Nadal, Tennis's Snuffleupagus

These other stepmothers intuitively knew how I felt, and this made me feel much better even though my situation did not actually change.

CNN: The plight of stepmoms on Mother's Day

"I had a bit of a lie-in this morning and started to feel much better, and thought I'd be good to go, " she added.

BBC: Commonwealth Games: Three golds for English swimmers