INSOMNIA

A. Lethargy

B. Sleeplessness

C. Drunkenness

D. Unconsciousness

Answer: Option B

Solution(By Examveda Team)

Lethargy : a lack of energy and enthusiasm.
Sleeplessness : inability to sleep; insomnia.
Drunkenness : the state of being drunk; intoxication.
Unconsciousness : the state of being unconscious.
Insomnia : habitual sleeplessness; inability to sleep.


Synonym of Insomnia is Sleeplessness