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.
The financial calculus that Charlie and I employ would never permit our trading a good night's sleep for a shot at a few extra percentage points of return. I've never believed in risking what my friends and family have and need in order to pursue what they don't have and don't need.
May the merciful god, if indeed there be such, guard those hours when no power of the will, or drug that the cunning of man devises, can keep me from the chasm of sleep. Death is merciful, for there is no return therefrom, but with him who has come back out of the nethermost chambers of night, haggard and knowing, peace rests nevermore.
My slumbers--if I slumber--are not sleep, But a continuance of enduring thought, Which then I can resist not: in my heart There is a vigil, and these eyes but close To look within; and yet I live, and bear The aspect and the form of breathing men.
At least you are mine! Soon – in a few months, perhaps, my angel will sleep in my arms, will awaken in my arms, will live there. All your thought at all moments, all your looks will be for me; all my thought, all my moments, all my looks will be for you!
Nor shall this peace sleep with her; but as when The bird of wonder dies, the maiden phoenix, Her ashes new-create another heir As great in admiration as herself.