Final answer:
Kal's behavior of randomly falling asleep during the daytime hours and immediately entering a REM state suggests that he has Narcolepsy.
Step-by-step explanation:
Kal's behavior of randomly falling asleep during the daytime hours and immediately entering a REM state suggests that he has Narcolepsy. Narcolepsy is a sleep disorder characterized by an irresistible urge to fall asleep at inappropriate times. This condition is often associated with cataplexy, which is a sudden loss of muscle tone or weakness.