Nightmares that could be generated from traveling to another plane of existence

If you traveled to another plane of existence, you might have nightmares about it. What kind of nightmares would they be?

Preview

1. Being stranded between two places

Seeing your body in two different places

2. Different reactions to gravity

3. Losing pieces of your body in the travel from one plane to another

4. Losing your spirit in the travel from one plane to another

You feel as if yo've lost some of your joy or your spirit. You feel flat as a piece of paper.

5. Finding yourself falling

6. Not changing mentally or physically in the shift from one place to another

7. Losing other people that you cared about in the other plane