YOU SAID:
He got out of bed, and instantly felt dizzy.
INTO JAPANESE
彼はベッドから起き上がると、すぐにめまいを感じた。
BACK INTO ENGLISH
He got up from bed and immediately felt dizzy.
INTO JAPANESE
彼はベッドから起き上がるとすぐにめまいを感じた。
BACK INTO ENGLISH
He felt dizzy as soon as he got out of bed.
INTO JAPANESE
彼はベッドから出るとすぐにめまいを感じた。
BACK INTO ENGLISH
He felt dizzy as soon as he got out of bed.
That didn't even make that much sense in English.