I was on the way back from my grandparents house, and I put on some binaural beats to help me get to sleep. Then this weird thing happened. As I got deeper I noticed the sound getting quieter so I pressed the volume button but when my thumb touched it it didn’t press in no mater how much force I applied. It jolted me awake and I noticed my thumb was no where near the button!
It sounds like you were already half asleep. It has happened to me many times, especially if i am thirsty in my sleep, and just imagine that i grab the glass of water…
But this was different to dreaming. It felt so real. I could feel the button when it collided with my thumb. It was like I was applying pressure to it, but it wouldn’t press in, and the amount of pressure would’ve hurt me in real life. If it was a dream, It was the most vivid dream I’ve had.
Yes, it was the most vivid dream ever 
I’m sometimes 100% sure where my hand is after i wake up, mostly after dreams. But when i move it, it’s somewhere completely different!