Great Ape Kid Goku
Great Ape Raditz
Unlike most techniques, Sleep is a basic biological function of most living beings (including Humans, Saiyans, Majins, and most alien races) and, as a result, it is one of the few techniques that can be used by anyone regardless of power level (even untrained persons like Bulma).
In the Budokai Tenkaichi games, the technique is used by Grandpa Gohan, Great Ape Kid Goku, Great Ape Raditz, Cui, Frieza Soldier, Goten, Majin Buu, and Kid Buu. The character falls asleep for a few seconds, during which they are very vulnerable to attacks. If it is successful, the character's health and ki will recover substantially, along with adding all stat bonuses.