Take notes and make lists. Your memory will improve when you feel better. Waking through the night is very common. It's better to get out of bed until you feel sleepy again. Repeated awakening in the early morning without being able to return to sleep easily is a sign that medical evaluation is needed.
Mornings are often the worst time.
The day usually gets better towards evening. Get outside at least once a day for a walk. Light to moderate exercise of any kind can be very helpful to your recovery. These drugs may actually make you more depressed than you were to begin with. If Someone You Love is Depressed It can be difficult to be around a friend who is depressed.