Why Your Brain Won’t Switch Off at Night
Insomnia is rarely caused by a lack of sleep medication or willpower. In most cases, it is the result of a nervous system that is stuck in survival mode.
Modern stress, blue light exposure, hormonal disruption, unresolved emotional load, and metabolic imbalance all interfere with the brain’s ability to shift from alert into rest-and-repair. When this switch fails, the body remains physiologically awake — even when you feel exhausted.
From a biological perspective, poor sleep is associated with:
• Dysregulation of the autonomic nervous system
• Altered cortisol and melatonin signaling
• Overactive brainwave patterns
• Impaired cellular recovery and detox processes