It's that we open Hacker News right after we wake up and post comments before our brains are in full power, hence the mistakes. Coffee is not a necessity, but m

It's that we open Hacker News right after we wake up and post comments before our brains are in full power, hence the mistakes. Coffee is not a necessity, but most people drink it. I believe it's not exactly about caffeine but letting the brain 30 minutes or so to "wake up" to stop making mistakes. At least, that's how it works in my case.