Clinical and socioeconomic correlates of insomnia.

May 22, 2004The Journal of clinical psychiatry

How Health and Social Factors Are Linked to Insomnia

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Abstract

Chronic insomnia affects about 10% of the U.S. population, translating to approximately 25 million individuals.

Insomnia includes difficulties in falling asleep, staying asleep, or achieving restorative sleep, impacting daily functioning and psychological well-being.
Chronic insomnia is linked to various physical and mental health conditions, with a higher prevalence among women and elderly individuals.
It may act as both a symptom and a precursor of major depression, significantly increasing the relative risk of developing this condition.
Individuals with insomnia often report lower mood, diminished subjective functioning, and poorer quality of life.
There is a correlation between insomnia and increased daytime sleepiness, accident risk, absenteeism, and health care utilization.
The annual direct costs associated with insomnia are estimated at $13.9 billion, primarily due to nursing home care.

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Insomnia is characterized by difficulty falling asleep (sleep onset disturbance), difficulty staying asleep (sleep maintenance disturbance), or poor quality (nonrestorative) sleep, leading to impairment of next-day functioning, including psychological distress. Published prevalence estimates of insomnia vary considerably, very likely due to differences in definitions, study setting, and data collection methods. However, estimates based on large population-based surveys provide a rather constant prevalence rate for chronic insomnia in the United States of about 10% (approximately 25 million people). Chronic insomnia is associated with numerous physical and psychiatric conditions and is more common in women and the elderly. Although it is often perceived as a symptom of depression, insomnia is also a precursor of depression and is associated with a substantial increase in the relative risk of major depression. Chronic insomnia is correlated with impaired mood, subjective functioning, and quality of life and, in some cases, with increased daytime sleepiness and accident risk. Those reporting insomnia have higher rates of absenteeism and health care utilization. Direct costs of insomnia have been estimated to be $13.9 billion annually, with a large majority of costs attributable to nursing home care. Chronic insomnia is a common problem, often associated with negative waking mood or function. As such, heightened clinical attention and clinical research appear warranted.

Clinical and socioeconomic correlates of insomnia.

Abstract

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