The symptoms may be cased by different things such as : sleep disorder (Ex sleep apnea) anxiety and/or depression. In many cases the sleep disorder triggers similar symptoms as those who are clinically depressed.
Try to inventory what may be cause of your symptoms to have increased in the recent months (job burn out, family/financial stressors, physical health, etc)
An evaluation by a psychiatrist may be something to consider (the MD can diagnose or rule out possibilities as well as prescribe medication if needed) Other options would be to have a sleep study and check your thyroid function.
There are also natural supplements such as GABA, Magnesium, L-tryptophan, 5-HTP to take at bed time. Vitamin D, B-complex and Omega supplements during the day.