The authors recommend staring at a wall for 15 minutes. "For the first few minutes, you might feel alright, thinking about your day. However, after 5 or 10 minutes, you’ll be itching to do something, anything really.
Jokes on them, that’s how I’d turn procrastination into taking a nap. It’s very rare that I can sit still. Without external stimulation of some sort my mind drifts and basically just switches off. Then I wake up 20-30 mins later drooling on myself. I realize that I’m not “normal” in my ability to sleep. From people I’ve talked to it seems like it is difficult for most people to fall asleep. For me it’s about 20-30 seconds from the time my head hits the pillow.