Kind of going on a limb with this interpretation, but it might work.
The song feels as if it's a kind of lullaby (hence the Norwegian version on Vogts Villa being called "Vuggevise"), where the singer is describing falling into sleep, and is expressing the feeling of going into sleep and leaving his soul to rest (I'll leave my spirit, leave my words).
Kind of going on a limb with this interpretation, but it might work. The song feels as if it's a kind of lullaby (hence the Norwegian version on Vogts Villa being called "Vuggevise"), where the singer is describing falling into sleep, and is expressing the feeling of going into sleep and leaving his soul to rest (I'll leave my spirit, leave my words).