Antonyms for the phrase "lulling to sleep" primarily involve descriptions of activity, excitement, or stimulation. Some possible options include arousing, awakening, rousing, stirring up, energizing, invigorating, animating, enlivening, exciting, and stimulating. Other opposite words might focus on making noise, creating a disturbance, or disrupting the peace. These could include words like clamoring, rattling, clattering, shaking, jarring, jolting, or agitating. Overall, antonyms for "lulling to sleep" typically involve actions or sensations that have the opposite effect of calming and soothing, creating an atmosphere that is more lively, active, or chaotic.