Can someone please tell me if my translation in correct? Me favorite room is my bedroom because i love to sleep.
Mi favorita sala es mi cuarto porque gusto a dormir.

My bedroom is next to the bathroom.
Mi cuarto es entrante a la bañera.

There is a small bed, a desk and a couch in my room.
Hay es a pequeño cama, a escritorio y Sofá en mi cuartro .

I sleep and work in my room.
Yo domir y trabajar en mi cuarto​

I am a Spanish speaker, so allow me to make some corrections.

Original: Me favorite room is my bedroom because i love to sleep.

Your translation: Mi favorita sala es mi cuarto porque gusto a dormir.

Correct translation: Mi habitación (room) favorita (the subject comes before the adjective!) es mi dormitorio (bedroom) porque adoro (I love to) dormir.

Original: My bedroom is next to the bathroom.

Your translation: Mi cuarto es entrante a la bañera.

Correct translation: Mi dormitorio (bedroom) está al lado (next to) del baño (bathroom).

Original: There is a small bed, a desk and a couch in my room.

Your translation: Hay es a pequeño cama, a escritorio y Sofá en mi cuartro .

Correct translation: En mi habitación (my room) (usually you mention the place first before describing it) hay una cama pequeña (small bed) ("cama" is femenine, so you should use the femenine adjetive "pequeña"), un escritorio y un sofá.

* a is "un" or "una"

Original: I sleep and work in my room.

Your translation: Yo domir y trabajar en mi cuarto​

Correct translation: Yo duermo (sleep) (you need to conjugate the verb) y trabajo (work) (you need to conjugate the verb) en mi cuarto.

I hope this helps!