Insomnia risk factors

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

Insomnia is a sleep disorder characterized by an inability to sleep and/or inability to remain asleep for a reasonable period. Insomniacs typically complain of being unable to close their eyes or "rest their mind" for more than a few minutes at a time. Both organic and nonorganic insomnia constitute a sleep disorder.[1][2].Insomnia is a medical term for a sleep disorder, in which a person have difficulty with falling asleep, staying asleep or feeling unfresh in the morning because of poor sleep[3]. Insomnia is one of the frequently reported complaints in adult population, it is reported that 30-40% of the adult population is the US have insomnia[4]. The DSM-V Diagnostic Criteria for Insomnia Disorder is, difficulty with sleep for at least three days per week for consecutive three months.

Risk Factors

• Advancing age
• Anxiety or worry-prone personality
• Chronic daily stress
• Cognitive styles
• Familial disposition
• Fear of not sleeping
• Female gender
• High altitude
• Increased arousal
• Irregular sleep scheduling

• Excessive caffeine use
• Irregular sleep schedules

• Light
• Major life events (e.g., illness, separation)
• Noise
• Poor sleep habits
• Poor sleep hygiene practices
• Tendency to repress emotions
• Uncomfortably high or low temperature