What is the meaning of 'reveille' in the Navy?

The term 'reveille' in the Navy signifies the time to wake up and start a new day. It is a bugle call that plays in the morning to signal to personnel that it is time to rise and prepare for the day's activities. This practice helps establish a structured routine for service members, ensuring they begin their day promptly and are ready for the duties ahead. The sound of 'reveille' indicates the transition from night to day and is often an important part of military life, as it sets the tone for the day’s schedule and fosters discipline among sailors.

The other options do not accurately capture the meaning of 'reveille'; for example, suggesting 'time to sleep' contradicts the intended purpose of this call. Similarly, 'end of day' would represent the opposite of what 'reveille' signifies, while describing it as 'a specific drill' does not align with its role as a morning wake-up call.