Yes, but there can be practical downsides. Carbonation may trigger reflux and worsen nighttime heartburn in sensitive individuals. Increased fluid intake close to bedtime can also increase nighttime urination and disrupt sleep. If you choose to drink it at night, keep the portion small, let it lose some carbonation if reflux-prone, or consider low-carbonation options. It is not “forbidden,” but it should be optimized based on sleep and digestive tolerance.