Noctambulisms refer to sleepwalking or wandering around during sleep. There are a few synonyms that can be used in place of this word such as somnambulism, oneirodynia, or hypnoid state. Somnambulism is the most commonly used term that describes sleepwalking, while oneirodynia is a state where a person experiences pain or distressful dreams. On the other hand, hypnoid state is a state where a person exhibits automatic movements and is in a trance-like state. While all these words have different meanings, they all refer to abnormal behavior that occurs during sleep.