Insomnia & Sleep Disturbance
Educational content • Medi Info HubUpdated: 10/19/2026
Overview
Insomnia is a sleep disorder characterized by persistent difficulty initiating sleep, maintaining sleep continuity, or experiencing non-restorative sleep despite adequate opportunity for sleep, resulting in daytime functional impairment.
Possible Causes
Hyperarousal states, irregular sleep schedules, caffeine/alcohol consumption, blue light exposure from electronic screens, and shift work.
When to Seek Care
Consult a primary care doctor or sleep specialist if poor sleep interferes with work, driving, or daytime cognitive function.
The information provided on this website is for educational purposes only and is not intended as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of a qualified healthcare provider with any questions you may have regarding a medical condition.