I'm sitting in a tree, in a court.yard.

It's warm and relaxing, as if mother nature herself were encouraging me to sleep.

I can feel the breeze and the sunlight like patson my skin, and I hear the birds singing.

I'm sitting in a tree, in a courtyard.

It's warm and relaxing as if the nature were encouraglulling me to sleep.

I can feel the breeze and the sunlight like patsgentle taps on my shoulder and hear the birds singing.

I improvised xD

It's warm and relaxing as if the nature were encouraging me to sleep.

I can feel the breeze and the sunlight like pats and hear the birds singing.

I am not sure what you mean by pats?

I'm sitting in a tree, in a courtyard.

Or you could say “park”

It's warm and relaxing — as if the nature wereas encouraging me to sleep.

We use — to interrupt one sentence with another. You can use it when you want to comment on something you said — like in this sentence!

I can feel the breeze like pats (on my back/like kisses on my skin, and the sunlight like pats , and cand hear the birds singing.

Since you used the same verb 2x in a row (can feel wind/sunlight), but change for the third item, it’s more natural to re-state the full verb phrase (can hear)

I'm sitting in a tree, in a courtyard.

It's warm and relaxing as if the nature were encouraging me to sleep.

I can feel the breeze and the sunlight like patssoft patting (on my shoulder, etc.) and hear the birds singing.