https://motherboard.vice.com/en_us/article/ywxjvg/steel-ball-control-dreams-dormio-mit-hypnagogia
When is a sleeper actually asleep?There is a borderland between waking life and the uncharted wilderness of sleep that we all traverse each night, but we rarely stop to marvel at the strangeness of this liminal world. If we do, we find that it is full of hallucinations both wonderful and...