The phrase "putting to bed" refers to the act of tucking in or settling someone or something for the night. Antonyms for this phrase may include waking up, stirring, rousing, or waking. The opposite of putting to bed involves taking someone or something out of a restful state and bringing them back to an alert or active state. Other antonyms might include disturbing, disrupting, or arousing. These words imply a sense of agitation or interruption, suggesting movement away from a state of calm and relaxation. Overall, the antonyms for "putting to bed" demonstrate a building of energy and activity rather than a settling down.