Noted!
Sleeper:
something or someone that becomes unexpectedly successful or important after a period of being unnoticed, ignored, or considered unpromising or a failure: The play was the sleeper of the season.
Sleeper:
something or someone that becomes unexpectedly successful or important after a period of being unnoticed, ignored, or considered unpromising or a failure: The play was the sleeper of the season. KNOW THE BASICS