Trying to explain what was happening in another person's mind is like trying to tell a blind man what a rainbow looks like. [
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Sounds to me like you were experiencing some hypnogogic imagery. This is completely normal and common. The longer you stay with it, the more clearer and three dimensional it will become.

Sounds to me like you were experiencing some hypnogogic imagery. This is completely normal and common. The longer you stay with it, the more clearer and three dimensional it will become.