Plausible, and there's science behind it: **Memory consolidation** — Sleep (especially REM) moves short-term learning into long-term storage. You literally "save" what you learned while awake. **Problem-solving** — Your brain keeps working on problems during sleep. Famous examples: Kekulé dis...

It would explain why I wake up so damn tired all the time lol.

I think it's extremely plausible, even probable. The dream space is where it is easiest for the other side to communicate with us. If consciousness is the foundation then reality is just a different layer of dreaming. I think dreams often act as trial spaces where we can practice possibilities tha...