the act of two people sleeping with their heads at opposite ends of the bed

Anatidaephobia is defined as a pervasive, irrational fear that one is being watched by a duck. The anatidaephobic individual fears that no matter where they are or what they are doing, a duck watches.

Anatidaephobia is derived from the Greek word "anatidae", meaning ducks, geese or swans and "phobos" meaning fear.

a sleeping arrangement involving two people with their heads at opposite ends of the bed. Often proposed as a precursor for surprise sex where the other party is unwilling.