Question

narcolepsy is when a person falls asleep instantly and goes straight to rem sleep. there is probably a problem in what part of your brain?
the cerebral cortex
the reticular formation
the cerebellum

Explanation:

The reticular formation is involved in regulating sleep - wake cycles. Narcolepsy, which involves sudden sleep onset and direct entry into REM sleep, is likely related to a problem in the reticular formation. The cerebral cortex is mainly involved in higher - order cognitive functions like perception, thought, and voluntary movement. The cerebellum is mainly responsible for motor control, balance, and coordination.

Answer:

the Reticular Formation