Insomnia

Insomnia is a sleep disorder where people struggle to fall asleep, stay asleep, or get restful sleep despite having the opportunity to do so, often resulting in daytime fatigue and reduced functioning. Scientists have identified both biological factors like neurotransmitter imbalances and psychological factors like stress and anxiety as contributors to insomnia, making it a complex condition that affects roughly one-third of adults at some point in their lives. Understanding insomnia at the neurological level has led to better treatments, from cognitive behavioral therapy to medications that help regulate the brain's sleep-wake cycle.