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FOUNDATIONAL TERM

Insomnia

失眠

Sleep difficulty despite opportunity, with distress or functional consequences.

Study this concept in context

54 · Insomnia and the evidence for interventions

Insomnia may begin with stress or illness and persist through worry and compensatory habits. This explains why structured treatment differs from a list of bedtime tips.

Sources

Definitions come from the published lessons. Read the linked lesson for mechanisms, conditions and examples.