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Chronic insomnia can lead to depression and anxiety from "summary" of Why We Sleep by Matthew Walker
When we do not get enough sleep, we are more likely to experience emotional disturbances, such as depression and anxiety. This is because sleep deprivation impairs the brain's ability to regulate emotions, leading to heightened levels of stress and negative feelings. Chronic insomnia, in particular, can exacerbate these issues, creating a vicious cycle of poor sleep and poor mental health. The relationship between chronic insomnia and depression is complex but well-documented. Lack of sleep disrupts the brain's normal functioning, affecting mood-regulating chemicals like serotonin and dopamine. As a result, individuals with chronic insomnia are at a higher risk of developing depressive symptoms. Moreover, the constant exhaustion and irritability that come with sleep deprivation can further contribute to feelings of sadness and hopelessness. Similarly, chronic insomnia is closely linked to anxiety disorders. Sleep deprivation heightens activity in the amygdala, the brain region responsible for processing emotions, particularly fear and stress. This increased activity can lead to heightened anxiety levels and a heightened perception of threats in the environment. Additionally, poor sleep weakens the prefrontal cortex, which normally helps regulate the amygdala's response to fear. This imbalance can result in excessive worry, panic attacks, and other symptoms of anxiety.- The impact of chronic insomnia on mental health is profound and far-reaching. The relationship between poor sleep and emotional disturbances is bidirectional, with each exacerbating the other in a vicious cycle. To break this cycle, it is crucial to prioritize good sleep hygiene and seek treatment for chronic insomnia as soon as possible. By addressing sleep issues, we can also improve our mental well-being and overall quality of life.
