Sleep

Can Anxiety Cause Insomnia Every Night?

Linda Girgis | MD

Medically reviewed by Linda Girgis | MD, Girgis Family Medicine on August 20th, 2026.

Yes, anxiety can cause insomnia every night, creating a persistent cycle of sleep disruption. Anxiety triggers the body's stress response, releasing cortisol and adrenaline that keep your mind alert and make it difficult to fall asleep or stay asleep. Studies show that 70% of people with generalized anxiety disorder experience chronic insomnia symptoms. The relationship is bidirectional—anxiety causes sleep problems, and poor sleep worsens anxiety symptoms the next day. Common manifestations include racing thoughts at bedtime, frequent nighttime awakenings, and early morning awakening with inability to return to sleep. This pattern can persist for weeks or months without proper intervention, significantly impacting daily functioning and overall health.

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