parler dans votre sommeil is the translation. This is the translation of talk in your sleep.
To say "let's talk" or "let's speak" in French you would say parlons.
parle à = talk to
talk = discours !!
In French, you would say "Je dors beaucoup." This translates directly to "I sleep a lot." The verb "dormir" means "to sleep," and "beaucoup" means "a lot."
Are you going to sleep is est-ce que tu vas dormir ? in French.
You would say "j'ai bien dormi" in French to mean "I had a good sleep."
When you talk loud is "quand tu parles fort" in French.
J'aime dormir.
dormez bien
J'aime dormir
tu as bien dormi?
Using the 'impératif', this is 'dors!' in French.