Invader Zim Scenarios/Headcanons

If You Have Insomnia

Zim-
He wouldn't be bothered until he learned from Dib that all humans need to sleep, then he'd be alarmed and check on you as quickly as possible, trying to understand if you have some dreadful illness or if someone has been putting you through unspeakable torment. He'd try everything he can to make you tired so that you would fall asleep, with varying rates of success.

Dib-
He'd have thought that demons didn't need to sleep, yet here you'd be, exhausted out of your mind. He would attempt to put on a video to help; when that didn't work, he'd begin rambling about various topics until you were finally unconscious. It's moments like these that make him realize that you're really not all that bad and have struggles of your own, just like everyone else.

Gaz-
She wouldn't care. There isn't much she can do, anyway. That is, of course, if you haven't slept in a day or so. If it progresses past that point and you begin struggling to function, it'd bother her, and she'd do anything to make sure you got enough rest, even if she had to be aggressive or stubborn.

Gir-
He'd be overcome with worry when he found out you weren't getting enough sleep, and he would try to get you to spend the night with him, much to Zim's protest. A few hours later, you'd be found cuddled up together on the couch.

Professor Membrane-
He'd figure it out pretty quickly that you have insomnia and suggest different things to help you get some rest. If none of them work, he would slip you sleep medication or try other, less ethical, methods to get you unconscious. Either way, you're getting sleep.

Tak-
Irkens do not require sleep. That being said, she'd notice signs of exhaustion on your face and in your mannerisms, how you'd deprive yourself of a momentary break and begin shutting down. It'd frustrate her to the point where she would physically force you to take breaks, even if it meant restraining you. Anything would be better than you exhausting yourself to death.

The Tallests-
They don't require sleep, so they would assume humans don't, either. Because of that, when they saw you getting exhausted and shutting down way quicker than expected, it'd fill them with confusion and dread. They wouldn't know what to do, and their emotions would only intensify after you explained your condition. They'd attempt to distract and bore you until you fell asleep.

Miss Bitters-
At first, she wouldn't really care or notice. She doesn't get paid enough, and you are off-putting(and a little annoying) most of the time. However, you'd become increasingly tired and irritable over the next couple of days, something she'd never have seen from you, and she wouldn't know how to feel about it. You'd start getting sleep medication slipped into your drinks whenever you were at skool, causing you to get knocked out and her to take charge of your class. Whenever you brought it up, she would feign ignorance and tell you to do your job.