I was on the weeding and got super tired once so I wanted to take nap. Couldn't really nap (I can't) but just relaxed body and tried to not think about anything for 20 minutes. I felt after that like after whole night good of sleep. Was very surprised that it worked.
That's a great result. Sometimes I think resting as "waiting while doing nothing" is good enough if it simply keeps one from working during the bottom of a local ultradian pattern. Coming back up out of that pattern by itself should naturally feel better.