Spirit Or Hallucination?, Your opinions, please? Options

I awoke early this morning and 'saw' a strange cubular shape of interlaced black and yellow squares like a mismash of picture frames hovering in the dark above my bed. This shape had a main body and a smaller one on the side, and the image seemed to be pulsing. I stared at it hard for about a minute, and it was very vivid, but eventually dissolved into the natural colors of the ceiling.

Before I had gone to sleep, I had been meditating on a Goetic symbol, but it looked nothing like this thing I 'saw'. And I had a typical nonsensical dream, not about the Occult at all, in between. Have any of you ever seen anything like this? Are there entities that look like constructions of geometric shapes? Or maybe it's some kind of visual hallucination?

Thanks for your thoughts,
Hagetaka Kuro

My other thought since you were coming directly from a dream is it was a scout. They are present in this and the dream world. For more info on them check out "the art of dreaming" by Carlos Castaneda. Heck if your a dreamer at all its a phenomenal book. LATERZ