Insomnium

in-som-ni-um (n-smnm)

noun (Latin)
1. Wakefulness with visions and dreams.
The noctambulist appears to suffer from insomnium, but actually sleeps rather deeply without resting.
2. Bram Stoker defined insomnium as: "Some solicitude as when awake affecting us when we sleep."
My dreams are infected by insomnium. I've been having recondite dreams of astral projection and ghosts, whose hands grow colder the further they get from life.

Synonyms: nightmares, restlessness, tossing and turning.

* Insomnium is also the name of a Finnish melodic death metal band from Joensuu, Finland. They were influenced by doom metal, playing songs about sorrow, death, loss, and mourning. They also incorporate elements of nordic / norse folk music and symphonic music into their sound.