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Understanding Insomnia
Definition and Types of Insomnia
• Insomnia is a sleep disorder characterized by difficulty in initiating or
maintaining sleep, leading to daytime impairment.
• Acute Insomnia: Lasts from several days to weeks, typically caused
by identifiable stressors such as stress or anxiety.
• Chronic Insomnia: Persists for more than three months and can be
classified into primary (not due to other conditions) and secondary
(due to other health issues).
Epidemiology of Insomnia
• Insomnia is the most prevalent sleep disorder, affecting 33-50% of
adults at some point in their lives.
• Daytime impairment due to insomnia occurs in 10-15% of the
population, impacting work and social activities.
Risk Factors for Insomnia
• Common risk factors include age, gender (more prevalent in women),
mental health disorders (anxiety, depression), and lifestyle choices
(caffeine, alcohol use).
• Medical conditions such as chronic pain, respiratory issues, and
hormonal changes can also contribute to insomnia.
Assessment and Diagnosis
Pre-Sleep Conditions
• Behaviors affecting sleep include spending excessive time in bed,
exposure to light, anxiety, and physical activity before bedtime.
• Environmental factors such as room temperature and noise levels can
also impact sleep quality.