Medication interaction

Does Zolpidem cause aggravated confusion and delirium with older patients in the ICU?
What other ways to manage insomnia or fluctuating sleep pattern with older patients in the ICU

PART 2

Medications Interaction question:

Can an 87 years old patient suffering from insomnia, depression, panic disorder be prescribed the following medications at the same time? What are the possible implications?
Trazodone oral, fluoxetine oral, Remeron