Gato por liebre literally means "cat for a hare." It's a fantastic Spanish idiom for being tricked or deceived, like someone trying to pass off something inferior (a cat) as something more valuable (a hare).
In the song, it's part of a mother's warning to her daughter about people who might try to fool her in life and love. This clever phrase perfectly captures the song's central theme of suspicion and not taking things at face value.
Why is it always 3 A.M.? The clock strikes that mysterious hour and one partner is still out, while the other lies awake replaying every warning her mom ever gave: "Don’t let anyone fool you, take care of your heart." Jesse & Joy turn that restless tension into music, letting us feel the swirl of doubt, jealousy, and late-night what-ifs. She imagines him with someone else, he swears he was only taking tequila shots with friends, and the ticking clock becomes the loudest sound in the room.
Then Gente de Zona bursts in with tropical energy, defending the night out and begging for trust. The duet becomes a playful tug-of-war between suspicion and reassurance, showing how love can dance on a razor’s edge when honesty is questioned. 3 A.M. captures that universal moment when faith in a relationship is tested, yet the irresistible beat keeps you moving even as you wonder who is really telling the truth.