Hacker News new | past | comments | ask | show | jobs | submit login Regular afternoon naps linked to improved cognitive function ( sciencefocus.com ) 229 points by prostoalex 6 hours ago | hide | past | favorite | 96 comments spideymans 2 minutes ago A friend of mine was up late night studying for an exam. She was getting increasingly frustrated as nothing was making sense to her. I told her to relax, go take a nap, and when you wake up everything will make sense. Three hours later I get a text from her: "OMG thank you. The nap did help me understand everything!" (I'm paraphrasing). I don't know what it is exactly, but I feel like naps almost invariably help me to understand complex problems. I suppose it's partly because my brain is still thinking about the problems while I sleep, and partly because my brain wakes up energized and ready to go, without...