Last night I woke up just after midnight and I had the strangest feeling on my legs. Every time I moved, it felt like something very light and thin was moving around against my legs (like a strand of spaghetti), and it kind of had like an electric/tingling sensation to it. It either moved straight up my leg or spiraled around from my knee to my ankle and vice-versa. I never experienced anything like this, and it only happened when I moved. At first I thought it was just pins and needles but the sensation was not in a general area, I could feel it moving along very distinct paths on my legs. And I did feel quite an unnerving presence in the room as well. I tried Googling it but I couldn't find any medical condition to cause what I felt.