If you can cultivate wholesome mental states prior to sleep and allow them to continue right into sleep without getting distracted, then sleep itself becomes wholesome.
That Scarface movie is just ruthless! His state of mind was like, "Yo, we're gonna get it - we're gonna get this money, we're gonna get this, get that."
Anyone in a state of seeking can never be happy. Only those who are constantly finding are fulfilled. And finding is not something that happens to us - it is something we do.