Who are these people who can nap at work? I mean, how can they physically do it?

I hear people complain about not being able to get a good night's sleep in their bed at home. The phone doesn't ring any less during the workday. And who has an office these days quiet enough for sleep? (As if anyone other than founders gets an actual office. Shhhh... Type quietly. It's the boss's nap time.)

I was in SF a couple weeks ago and had trouble sleeping even in the hotel. Does anyone in SF not drive a firetruck? You'd think the whole city burnt down every night. The concept of tech workers napping mid-workday reminds me of those scenes in My Cousin Vinni.