sleeper
s lee per
- n a rester who is sleeping
- n a spy or saboteur or terrorist planted in an enemy country who lives there as a law-abiding citizen until activated by a prearranged signal
- n an unexpected achiever of success
the winner was a true sleeper--no one expected him to get it - n one of the cross braces that support the rails on a railway track
the British call a railroad tie a sleeper - n a passenger car that has berths for sleeping
- n pajamas with feet; worn by children
- n a piece of furniture that can be opened up into a bed
- n tropical fish that resembles a goby and rests quietly on the bottom in shallow water
- n an unexpected hit
that movie was the sleeper of the summer
- Additionally, Hartmann concluded that long sleepers spent nearly twice as much of the night as others in REM (rapid eye movement) sleep a state in which the sleeper's brain is .
- Not surprisingly, the short-sleepers were also more likely to score higher on tests of hyperactivity and impulsivity at age six, highlighting the importance of consistent and .
- So successful were these sleepers that he immediately built a "Pullman" car designed especially for sleep-traveling.