Answer:
Quiero que te acuestes a las 10 p.m.
Explanation:
We write the unstressed pronoun "te" because it is about "<u>to you</u>" and since it is the unstressed pronoun "te" the stressed pronoun is "tú" so the verb must be conjugated with "tú", not with "<u>usted</u>".
aqui tu tienes que poner el cuento. you have to put the story so we can see it