Last night, just before going to bed, I stepped on the bathroom scale and was surprised to see I weighed exactly 160 pounds. This is the most I've ever weighed, and I was so surprised I actually stepped off and on the scale several times to verify I was really reading it correctly. I even double-checked the calibration to make sure the scale returned to zero when I stepped off, and sure enough, everything checked out. Somehow I had gained 5 pounds in the past few days. I was kind of excited since I tend to think I'm always a bit under-weight. Oddly, when I woke up this morning, I weighed myself again and I was back to 155. What's up with that? Where'd the extra 5 pounds go? It's not like I go jogging in my sleep or anything like that (at least, I don't think I do, although I did used to sleep-walk when I was a kid.... hmmm.....).
Anyhow, I found it odd that I could simply lose 5 pounds in my sleep. Maybe this is normal. I don't normally weigh myself all the time, so maybe my weight changes overnight all the time and I never realized it. But 5 pounds? That seems like a lot to me.