Sudden Exhaustion

I was doing my normal Friday morning stuff when I was suddenly exhausted. I *had* to sit down. Once seated it was too difficult to hold my head up, so I rested it on the back cushion of hte loveseat. Before long I moved it to the armrest of the loveseat. I woke up uncomfortible, so I repositioned myself and fell back asleep immediately. It was hours before I woke up.

I'm not sure what happened. I remember removing a bit of dust from a timer with my finger. That's about the only thing I can recall that could have caused a problem

Since then, my sinuses have been running more than usual. I did feel better after the nap, but I'm a bit disturbed by how drastic and sudden the tiredness was.