When using reflexives with modal verbs, we conjugate the modal verb (potere, dovere and volere), and attach the reflexive pronoun to the end of the infinitive.

E.g
Posso alzarmi alle cinque - I can get myself up at 5 o'clock
Vogliamo divertirci - We want to enjoy ourselves
Lui deve vestirsi velocemente - He has to dress himself quickly

Translate the following

Can I rest now?
Posso riposarmi adesso?
She wants to get dressed here.
Lei vuole vestirsi qui.

Using Reflexives with Modal Verbs

Dovete spogliarvi nella camera.
You must get undressed in the room.
Vuoi pettinarti a casa mia?
Can you comb your hair at my house?