Answer:
b.A night terror
Step-by-step explanation:
Night terror occurs in first half of the sleep cycle. It usually is a result of arousal from slow-wave sleep. It is common in children and decreases with increasing age.
Night terror is characterized by panic attack, rapid breathing and heart rate, sweating and yelling. A person suffering from it will appear half awake, confused and unresponsive. They might not also remember much of it on waking up. Since all these symptoms were displayed by Aaron, he most likely experienced a night terror.