Naptitude
n. The ability one has to fall asleep in different positions and at various times of the day
Chuck had an uncanny naptitude which allowed him to sleep in the 10 minute gap between classes
Naptitude
The degree of nappyness of ones hair. The naptitude is measured in Niggawatts (one may add a prefix to any measurement, i.e. kilo-, mega-, giga-, etc.).
Dylan: What's the naptitude of her hair?
Kevin: I'd say a couple kiloniggawatts.
Kevin: I'd say a couple kiloniggawatts.