yep this symptom of adhd is commonly referred to as “brain fog” i get it so bad lol it’s different than tiredness in that if i switch to a more interestingstimulating task the fog immediately lifts   i try to combat it by adding stimulation like a random podcast playing in the background or switching to a more stimulating environment in pandemic times this means going outside to work if possible   also if it’s a really bad day or a really boring task i will literally set a timer for 5-10 minutes and try to push through just for that short time then take a 5 minute break and repeat if your timer goes off for the break to start and you’re on a rollthe brain fog is gone absolutely keep going   double also every once in awhile i just give in and take a nap i think that solution is perfectly fine too ha