Sleeper

1. A form of straddling (or blind wager) in poker.

How it Works

A typical straddle is made from UTG (or you may see the "Mississippi" variant too), whereas a "sleeper straddle" is usually placed in middle or late position (rarely allowed on the button), and only becomes "live" when the action is folded to the player who places the blind wager.

E.g.

A player in middle position (mp) places a bet of double the blind. If the action is folded to the player, the bet he placed acts like a regular straddle and becomes "live." If, on the other hand, a player in early position calls or makes a bet, the sleeper straddle becomes nullified and the bet may be taken back, or serve as a regular minimum raise with no "option."