Question

bill suddenly and without warning slips into rem sleep during the day. he often falls to the ground and is difficult to awaken. bill may have a condition called ________. insomnia narcolepsy sleep apnea epilepsy

Explanation:

Narcolepsy is a sleep - disorder characterized by sudden and uncontrollable onset of REM sleep during the day, often with muscle weakness (cataplexy) causing falls and difficulty in awakening. Insomnia is difficulty in falling or staying asleep. Sleep apnea is interrupted breathing during sleep. Epilepsy is a neurological disorder with seizures.

Answer:

B. narcolepsy