After several sleepless months, her insomnias began affecting her work and mood.

His chronic insomnia makes it difficult for him to concentrate during the day.

Researchers are studying fatal familial insomnia to understand how prion proteins cause progressive sleep loss and cognitive decline.

The insomniac watched the rain streak down the window while the city slept.

The insomniac artist stayed up all night painting, hoping inspiration would finally arrive.

Many insomniacs find that a warm cup of herbal tea helps them relax before bed.