Trazodone
Deepens sleep quality in low doses, but under-utlilized as an antidepressant, where it can be very effective and tolerable if dosed at night.
Sleep apnea
Modafinils
[Provigil, Nuvigil] Wakefulness-promoting agents FDA approved for fatigue associated with sleep apnea or shift work. Also treats bipolar depression (2), unipolar depression (3), ADHD (3), and cocaine use disorder.
Atomoxetine
Good for ADHD with anxiety, but least effective among FDA options for ADHD. Avoid in bipolar.