(N.) Unlike insomnia, reverse insomnia is when one wants to wake up but cannot due to being too comfortable, too exhausted from sleeping, etc.
My Saturday was ruined when my Reverse Insomnia kept me in bed until 5 PM.
by AKP The Master January 13, 2016
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When you can't sleep, so you patrol your Facebook News Feed for new entries to comment on, or reload your page over and over again in the hopes that someone has commented on your feed, thus dignifying your existence on Facebook at four in the morning.
Roger: Seriously, I had the worst case of Facebook Insomnia last night.

John: Did you end up finding anyone to talk to?

Roger: Not really. Katie was on, and I commented on her feed, but she never kept it going. Then later, I found out that she was still online, but ignoring me.

John: Bitch...

Roger: I know, right? We're like kindred spirits...
by Keane Ackers May 13, 2010
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when you are trying to sleep, but your stomach is bubbling and groaning like you are about to shit all over bed. But you lay there thinking that it is going to go away. It ends up keeping you on edge all night in fear of waking up in your own shit.
Al had such a bad case of intestinal insomnia that he was up all night scraping (casino flavored) shit off of his sheets.

Jared's girlfriend woke up to the sound of his stomach growling, then went back to sleep realizing that it was just his intestinal insomnia acting up, but she knew that he would have to take a Jared poop on the way to work.
by Jshapedasshole July 3, 2008
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Going to bed so late at a sleepover that you can't get to sleep the next night.
Sarah went to bed at 4 am at the sleepover last night. Now she has Sleepover Insomnia.
by OneOfTheFewNorthDakotansLeft October 22, 2010
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1. When you are so tired, everything you say or type comes out misspelled, or as nonsense.

2. When lack of sleep prevents you from generating a coherent sentence in conversation.
on surfin' bird
1. Are you aware that the word is the bird?

ugh.. I meant bird is the word*

Sorry, I'm having insomnia dyslexia tonight.

2. rotlf, lamo
Damnit, I'm a moron. I can't spell tonight; blame my insomnia dyslexia.
by Joy Rising April 22, 2010
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The phenomenon of sleeping less after a night of drinking. May or may not involve crashing because of alcohol. A person wakes up earlier and is unable to fall back asleep because of an interrupted REM phase, and results in a gradual tiredness.
A: Yo, I have a serious hangover, dude
B: I don't, but I got alcohol insomnia. Woke up at 6:00 this morning and now I'm dead tired
by Sleepless in the Summer July 23, 2010
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The effects of not sleeping, which leaves one ineffective the following day. Symptoms may include aches, pains, and general crankiness.
Q: "What is with James today? He can't seem to function and keeps whining about being tired and achy."

A: "He said he couldn't sleep last night... must be an insomnia hangover."
by jmsanddontyouforgetit January 4, 2012
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