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
the act of falling asleep, usually within minutes and in the [passenger] or [backseat], during a [car] trip
"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" What is the definition of "carcalepsy"?