Answer:
The correct option is C) Insomnia
Step-by-step explanation:
Insomnia can be described as a condition in which a person has trouble in going to sleep. The person might have small sleep sessions and will often see himself wide awake even in the middle of nights. The person will have difficulty in sleeping even though he might be trying hard to sleep. Hence, the correct option is C.
Other options like option A, is not correct because narcolepsy is a condition in which excessive sleep is recognized in a person.