Your subconscious is overly active, which is likely due to the accumulation of everyday stress that you're unaware of. Get half an hour of sunlight each day and consuming prebiotics + probiotics. In recent years, medical research has shown that an unhealthy gut can reduce serotonin production in the body, which in turn affects your mood and sleep. Listen to music with steady, repetitive tones to relax and release tension. Here's an example of the type of music. https://youtu.be/WtKealRBRWM