Your brain never actually got to close a tab today.
You're not tired from doing too much. You're tired from processing too much. The notifications. The news. The group chats. The ambient noise of everything moving all at once. You got through the day fine — technically — but your brain has been open-browser-tabs-no-pause-button since you woke up, and now it's full. Not broken. Not burned out. Just full. The kind of tired that makes you want to sit in a room with no sound and no screen for an hour and do absolutely nothing, except you probably checked your phone three times while reading this. The signal never really stops. That's the problem.
Get your read — free on iPhoneyou didn't do too much. you processed too much. the signal never really stopped and now your brain is just full.