Great article. Sleep is important. I liked that the article went out of its way to dispel several of the "but four hours is fine" myths. Two of my favorites: >some people are short sleepers: You can do a test to find out if you have genetic makeup that makes you a short sleeper. That’s rare, though, so by and large, people are not getting enough sleep. Blunt and effective. The outliers who really do fine with just a…
I used to habitually play bullet and blitz chess online, which confirmed the necessity of sleep for me. After a 6 hour night of sleep I noticed my rating would drop significantly the next day, and after several low sleep nights in a row it would take days to recover completely. A graph of my bullet rating over time clearly showed the periods of low sleep. Most people don't have a measurement that objective. After I s…
60-minute games made the same apparent to me. Instantaneous drops and rises, solely resulting from sleep (or the lack thereof).