" Did you have a nice nap?' he asked. 'Yes, Sir. Naps are tricky. There's a little window of how long you can sleep that will leave you feeling awake and refreshed. But if you miss it and you nap less or more than that amount, you feel like crap the rest of the day. And then you will have insomnia, probably.' 'You're a real risk-taker," he said. "