Below are the main rubriks (i.e strongest indications or symptoms) of Nux Vomica in traditional homeopathic usage, not approved by the FDA.
Have you ever used Nux Vomica? Yes No
Sleep and dreams
Cannot sleep after 3 a.m
Until towards morning; awakes feeling wretchedly
Drowsy after meals, and in early evening
Dreams full of bustle and hurry
Better after a short sleep, unless aroused.≡ more ...