What is the first thing you do in the mornining?

OPTION A: I always take a shower first thingafter waking up.¶
OPTION A: I always take a shower right after I wakeing up.

It makehelps me feel refresh to start aed when starting the day, and also gives me time to think about that I will do that day.

It makes me feel refresh toed before the start aof the day, and also gives me time to think about twhat I will do that day.

I think using phrases to describe your actions/plans instead of just putting adjectives together makes it sound more natural:)

I always take a shower first thing after I wake up.

Or "first thing after waking up"

It makes me feel refreshed to start a (the) day, and also gives me time to think about that I will do that day.

"start a day" is not incorrect, but the more common expression in English would be "to start the day"

It makes me refreshed to start a day, and also gives me time to think about twhat I will do that day.