If no SLEEP button, this model lacks that feature.
The Onn. ONA15AV101 is a digital AM/FM clock radio featuring a 1.8-inch LED display, dual alarms, and battery backup. Setup and operation, including setting the time and programming radio stations, are managed while the unit is in off mode. For the full user guide, visit Manuals.plus . onn clock radio model ona15av101 manual