I once got up, ready, into the elevator, down to the street, bought a coffee and took a sip, looked around (dark, busy intersection not so busy), swore and then

I once got up, ready, into the elevator, down to the street, bought a coffee and took a sip, looked around (dark, busy intersection not so busy), swore and then went back to bed. As far as I know I was totally coherent the whole time to everyone around (wife, doorman, coffee-shop-girl, etc). Stress factors a lot into it for me. If I'm having a good week hardly anything strange happens in my sleep.