I learned a couple of things yesterday.
1. A 0.045" thick cutting wheel, the really thin kind, spinning at 12,500 RPM on an angle grinder, not only cuts though solid steel, it cuts through human flesh. My new neighbors probably heard me yell, "F**k!" before I started grinding again. I got it just behind the web of my left hand. There was surprisingly little blood, but it still stings a little when I wash my hands. I didn't cut myself very deep because it's a sensation that instantly tells your brain to stop doing that.
2. A hot cup of coffee will wake you up, and it doesn't even need to have caffeine in it. Anyone who doesn't think so hasn't spilled a cup of hot coffee in their lap. Actually I already knew that from prior experience, but was reminded again yesterday.
3. Not yesterday. but today, I was once again reminded of something else I already knew. You have to wait a much shorter time for a timer to go off if you remember to set it and press the start button. You have to do both of those things and I did neither, until after I sat here wondering why it was taking so long.
4. I haven't done this one personally, but thought it was good advice that bears repeating. Never take a sleeping pill and a laxative at the same time.