You should consult a psychiatrist as it needs to be assessed in detail and the root cause needs to be identified.

Most likely generalised anxiety disorder but needs full assessment.

This seems to be related to anxiety, ultimately resulting in initial insomnia. You need to consult a psychiatrist for treatment.

Hi Thanks for seeking help here. Last 7 years u have insomnia due to thoughts that suggests you are having anxiety or depression. Depression also have low mood and lack of energy and poor concentration. Th best treatment for these thoughts are cognitive behavioural therapy. We can do one session in practo. If u need medication just try for few days to correct sleep only. Regards Practo