The lack of sleep is the ongoing problem of the generation. It can can hurt your eyes. Here are the problems starting with the least serious and progressing:
Your eyes twitch and the annoying twitching that just won't go away? It's called myokymia, and on the surface, it's nothing to worry about.
But pay attention to that twitch, because it's a sign you need more sleep. More importantly, it very well could be a sign of more serious developing issues.