Noun
Want of sleep; inability to sleep; wakefulness; sleeplessness.
Source: Webster's dictionaryIn its early stages, insomnia is almost an oasis in which those who have to think or suffer darkly take refuge. Colette
The best cure for insomnia is to get a lot of sleep. W. C. Fields
Insomnia is my greatest inspiration. Jon Stewart
I prefer insomnia to anaesthesia. Antonio Tabucchi
Insomnia is an all-night travel agency with posters advertising faraway places. Charles Simic
Am I sleeping? Have I slept at all? This is insomnia. Chuck Palahniuk