She's been under sedation. She's just coming out of it.

like weight loss or weight gain, sedation, emotional blunting, loss of libido.

Most facilities require that patients have a person with them to help them home afterwards (again, depending on the sedation method used).

Sedation and cognitive impairment usually occur with the initial dose or a significant increase in dosage of a strong opioid, but improve after a week or two of consistent dosage.