1.   Chronic insomnia can stem from heart disease, asthma, sinusitis, menstrual cramps, epilepsy, ulcers or an overactive thyroid.

2.   He attributed his trademark sleepy-eyed look to chronic insomnia and a boxing injury that resulted in astigmatism.

3.   Over the years, Ives develops chronic insomnia and a painful skin affliction that serves as a constant reminder of his estrangement from his family and from God.

4.   Sleep grows lighter with age, and almost a third will suffer from chronic insomnia.

5.   The appropriate role of sedative-hypnotic drugs, a class that includes most sleeping pills, in treating chronic insomnia is controversial, particularly in the elderly.