carpolepsy 

the uncanny ability for some passengers to fall asleep in the car almost immediately after the engine starts.

Road trips with Mike are like road trips by myself. As soon as he gets in the car, the carpolepsy hits and he's out.

carpolepsy by braincheese March 25, 2010

Carpolepsy 

The act of always falling asleep or getting extremely tired when riding passenger in a car.

Everytime my girlfriend goes on long car rides she gets carpolepsy. She always falls asleep.

Carpolepsy by Ermander Berter June 30, 2019

Carcalepsy

The act of falling asleep, usually within minutes and in the passenger or backseat, during a car trip. It is especially prevalent among those promising to navigate.

Mom gets carcalepsy on the way home from Grandma's every Sunday, but she always wakes up when we try to change the radio station.

Carcalepsy by amsterdandi October 25, 2008

carcolepsy 

a condition affecting buddies on a trip who fall asleep as soon as the car starts moving, providing no company or driving help

Joe slept the whole way here, I think he suffers from carcolepsy.

carcolepsy by Frank Bama February 9, 2009

carcolepsy 

Pronounced: Kar-ko-lep-see

The inability to stay awake and alert when in a car, or any other thing that moves, such as trains, planes, and busses.

The act of passing out while in a car regardless of passenger or driver status.

Roadtrip? Count me in, but I can't drive. I have carcolepsy and we'd all die.

carcolepsy by amy short March 11, 2006

carcolepsy 

a condition characterized by brief attacks of deep sleep brought on by simply being in a car

Dude, your car is so comfortable it gives me carcolepsy

carcolepsy by kelly del gaudio July 21, 2007

carcolepsy 

the irresistible desire to sleep while sitting in the car

As soon as my husband backs the car out of the driveway, carcolepsy sets in, and I'm out.

carcolepsy by Kittydoc October 24, 2012