How to Build a Good-ish Sanity Station
As the title suggests, this video shows how you can build a sanity station with rabbits, a bee queen crown, and some boats.
By all means, this is not a perfect solution--the need for a nightmare amulet, and the measures needed to counter the night creatures from the amulet all make it inferior to the old evil flower garden. Yet since that no longer exists, this design--which is easy to set up, and relatively cheap to run--is my sanity station of choice into the mid game.