Clock radios, also known as alarm clocks, are a popular household essential used to wake up people on time. Some of the common synonyms for clock radios include bedside alarm clock, digital alarm clock, radio alarm clock, and AM/FM clock radio. These types of clocks are equipped with features such as the ability to set multiple alarms, a snooze button, and different alarm sounds, including the option to wake up to a favorite radio station. Clock radios are also often designed with built-in lights or backlit displays that make them easy to read in any lighting situation. Regardless of the synonym used, clock radios continue to play an essential role in helping people wake up and start their day on time.