The phrase "am wired" typically indicates that someone is energized or stimulated, often due to caffeine or excitement. Antonyms for this phrase might include "am tired," suggesting that the person is instead fatigued and lacking energy, or "am relaxed," indicating a sense of calm and ease. Other antonyms could include "am bored," suggesting a lack of interest or excitement, or "am dull," indicating a lack of liveliness or enthusiasm. Ultimately, antonyms for "am wired" will depend on the context in which the phrase is used and the contrasting feelings or states of being that are most relevant.