A specific type of sleep for air travel that occurs from the time you board a plane until you land.

Also: flybernation - the act of sleeping from the time you board the plane until you land.
person a: "How was your flight?"

person b: "No clue. I decided to flybernate since I hate flying."
by OMGR8US January 26, 2011
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A specific type of sleep for air travel that occurs from the time you board a plane until you land.

Also: flybernation - the act of sleeping from the time you board the plane until you land.
person a: "How was your flight?"

person b: "No clue. I decided to flybernate since I hate flying."
by OMGR8US January 26, 2011
Get the Flybernate mug.