exp increase(afk botting)

so the new exp is soo good, i use my afk bot and already got like 80% of work done on second lieutent 4. i just wanna know is it bad for the computer to leave it on throughout the night.

not bad, but the lights and shit on my Pc case, i cant sleep, thats why i close all my shit before sleeping, but afk on a 2lt4, i mean, kdr failure much