Napccident
nap·cci·dent (nāp'sĭ-dənt, -děnt')

n.

1. An unexpected and undesired nap, especially

one resulting in tardiness, confusion or hurt feelings.

2. Lack of intention to nap; a chance nap:
1. Although Amadeus hadn't forgotten about his romantic

date with Bernadette, he'd played too much Warhammer

that day, and had a napccident at the computer. They

didn't live happily ever after.

2. I finally got a good nights' sleep by napccident.