Disclaimer, I am not a doctor or a psychologist. I have a contrarian opinion (that I have also posted here several times) that burnout is not merely a symptom

Disclaimer, I am not a doctor or a psychologist. I have a contrarian opinion (that I have also posted here several times) that burnout is not merely a symptom of overwork but actually a symptom of missed behavioural prediction error: Your brain has taught itself that effort => failure, and so the motivation to put more effort into things is decreased. The first step to understanding and overcoming it is a root cause analysis -- identify when you started putting in extra effort, what you thought you'd get out of it, and what you thought you'd get out of it that you didn't get. It might have been a promotion, a pay raise, a bonus, or social validation. Or, if there was a negative reinforcement that succeeded your valiant efforts (e.g. people shitting on your open-source project). If you believe my thesis, then possibly the absolute worst thing you can do is to go on vacation right now (this is rewarding the cycle of not putting in effort). Rather, plan a vacation for yourself, say 3 months from now, (and if you want to be brutally effective, plan to cancel or bump the time of your vacation if you don't recover from burnout by then). What you want to do from now till then is to build back up your work motivation. Work on a ton of tiny tasks that are almost certainly going to succeed, like that refactoring that you've put off, or writing tests. These are really good because they will give you primary stimulus (making those red dots go green) that provide you a pop of dopamine, rewarding you for the small amounts of work that you've done. Also, do small things, like "cook a meal" which take effort, and celebrate yourself for putting the effort into things, and meals are great because they are their own reward (unless you horribly mess it up). I haven't generally burnt out (I have burnt out on individual projects) for more than about 2 weeks in a decade or so since I adopted this strategy.