See, I'd let you sleep on my couch too, but that's where my fatass diabetic dog sleeps. And if I try to move him, he gets pissy and opens up his blisters all over the place. But if you wanna spoon my bloody dog, then by all means.
Madness string 34527
You're not crazy. This happens all the time. It's a really long explanation, but right now I would focus on getting your keepsakes back. Close your eyes, and envision your keepsakes wherever you want to find them. I assume there's a different closet now? It's likely in there. Imagine it, and then open your closet and they should be in there. As for the explanation, your consciousness traveled to a different timeline. Which isn't necessarily as problematic as it sounds, but it's still disorienting.