“Individuals who report insomnia lasting for one year are forty times more likely than normal to develop clinical depression.”

“These feelings were accompanied by irritability, reduced appetite, insomnia, anhedonia and reduced energy.”

“His nightmares, insomnia, poor memory, fatigue, and irascibility became worse, and he developed headaches, musculoskeletal aches, and dyspepsia.”

“It can help manage the hot flushes that many menopausal women complain of and can also help insomniacs get a better night's sleep.”

“A new survey says insomniacs suffer from an abundance of happiness or creativity, but sleep deprivation isn't usually a reason to be cheerful.”

“It didn't reach a U.S. viewership until the '90s, where it delighted insomniacs and stoners on late-night television.”

“Sleep disorders are categorised into the hypersomnias, parasomnias and insomnias.”

“After a series of overviews, the sections cover insomnia in special populations, the primary and secondary insomnias, and treatment.”