Final answer:
Sleepwalking, also known as somnambulism, occurs when a person engages in complex behaviors while sleeping.
Step-by-step explanation:
Sleepwalking, also known as somnambulism, is a type of parasomnia where the person engages in complex behaviors while sleeping, such as wandering or driving. Sleepwalking typically occurs during slow-wave sleep but can happen at any point during the sleep cycle. It is important to note that sleepwalking should be evaluated by a healthcare professional if it happens frequently or causes safety concerns.