Welcome to the club :( Sorry to hear - and no, I don't think there are temporary solutions, it's extremely hard to make up for significant lost sleep. Having a

Welcome to the club :( Sorry to hear - and no, I don't think there are temporary solutions, it's extremely hard to make up for significant lost sleep. Having a few nights of good sleep definitely helps with the brain fog but there are studies (and, of course counter-studies) saying that damage acquired from loss of sleep is mostly permanent. You should get to the root of why you are having such bad nights and eventually fix that root cause. If this keeps up I'd suggest seeing a specialist (but first you can try to observe what's happening when you can't go to sleep, is it your thoughts racing? Is it the short-term feedback loop of social media and HN?)