2. Marvin has had trouble sleeping. Last night his mother found him sleepwalking and gently led him back to his bed. When Marvin was awakened by his alarm clock the next day, he had no recollection of sleepwalking and, in fact, told his mother about the vivid dreams he had. What specific stages of sleep did Marvin undergo during the night

The act of waking up and going around while still sleeping.
Sleepwalking is most frequent in youngsters, who normally outgrow it by the time they reach their teens.
Sleepwalking commonly occurs one to two hours after going to bed. It may, on rare occasions, involve strange activities such as climbing out a window or urinating in a cupboard.
Sleepwalking is frequently a random, innocuous phenomenon. If it occurs frequently or causes injury, treatment may be required. Medications and hypnotherapy may be beneficial.
Among the causes of sleepwalking are Hereditary (the condition may run in families).
Sleep deprivation or excessive weariness Sleep apnea (short pauses in the child's breathing pattern during sleep) can cause interrupted or unproductive sleep.

So, Marvin has had trouble sleeping. Last night his mother found him sleepwalking and gently led him back to his bed. When Marvin was awakened by his alarm clock the next day, he had no recollection of sleepwalking and, in fact, told his mother about the vivid dreams he had. What specific stages of sleep did Marvin undergo during the night.

Therefore, there is a total of 4 stages of sleep in which Marvin underwent stage 3 wherein sleepwalking is also known as somnambulism.

Know more about somnambulism here:

https://brainly.com/question/5802629

#SPJ4