cause of falling asleep during the day
Narcolepsy does not actually belong to the group of excessive sleeping disorders. It is a neurological disorder that causes excessive sleepiness and interferes with normal activities of daily living. People with narcolepsy may have trouble getting to sleep at night and then find fall asleep during the day. Narcoleptics may also develop sudden weakness of the muscles and experience episodes of sleep paralysis. Another neurological disorder, restless leg syndrome, makes it difficult to sleep.