What is the connection between sleep disorders and mental illness?

Lack of long-term sleep can cause excitement-suppression of the cerebral cortex, causing drowsiness, diminished memory, thinking, attention or dullness. It can also lead to emotional disorders such as anxiety and upset. The most important thing is that immune system disorders will occur, the body's resistance will decrease, and the chance of illness will increase greatly. So what is the connection between sleep disorders and mental illness?

1. Patients with schizophrenia can have sleep disturbances during both the onset and remission stages, usually manifested as difficulty falling asleep, light sleep, or intermittent sleep, and are generally characterized by difficulty falling asleep. Patients with late schizophrenia have increased sleep and increased sleep efficiency. After treatment of schizophrenia, sleep latency can be extended. Patients with long-term medications gain weight and are prone to apnea syndrome.
2. Patients with major depressive disorder are often accompanied by sleep disturbances. The most common is insomnia. A small number of patients have excessive sleep or prolonged sleep. Most young patients have prolonged sleep latency. Older patients usually fall asleep more normally, but dream-related awakening Increasing the number of times disrupts the persistence of sleep and reduces sleep efficiency.
3. Patients with manic episodes can also cause sleep disturbances due to long-term emotional rise and irritability, resulting in reduced actual sleep time and sleep needs.
4. For patients with anxiety and depression, often manifested as decreased sleep efficiency, increased sleep latency, reduced total sleep time, increased number of nightly awakenings, and repetitive anxiety dreams.