Has the sound of a mystical experience. The sea of waves could symbolize the turbulent human mind, the old place cut off from the world, the higher mind. There indeed does serenity lie, accessible only through surrender. We all should have such a "sleep." Well done.
Strindberg said.
" When I come home and sit at my writing table, then I live.... I live, and I live in manifold fashion of all human beings. I depict; I am glad with the glad, wicked with the wicked,.. more..