Answer: Parasomnias
Explanation:
Parasomnias is defined s the sleeping disorder that invokes disruptive behavior in a person while the person is sleeping or about to sleep.It happens during arousal from NREM sleep or REM sleep. The events that occur in this phase are sleep-walking, talking in sleep,dream-terror perceptions, disruptive movement of body parts etc.
According to the question,Mrs.Jones's son might be suffering from parasomnias because he dos sleep walking and has terror related dreams while sleeping.
Other options are incorrect because hallucination, nightmares and hypnagogic the sleeping disorder that can impact the behavior of the person while sleeping.
