Answer:
Joseph is experiencing Narcolepsy.
Explanation:
The condition Joseph is experiencing is Narcolepsy.
Narcolepsy is a condition in which will experience episodes of sleep. The affected person may have sleep attacks. Sleep attacks is a condition in which the person suddenly goes to sleep without any warning. The time and length of the sleep depends upon patient to patient. Some patients might have sleep lasting only for a few seconds while others might experience sleep for about several minutes.
