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.
Gold is not necessary. I have no interest in gold. We'll build a solid state, without an ounce of gold behind it. Anyone who sells above the set prices, let him be marched off to a concentration. That's the bastion of money.
The Truth-power must be brought down from above into that state of peace, and this higher power - Parashakti - will directly guide the vehicle - ādhāra - and transform it.