Thanks for choosing health care magic for posting your query.
I have gone through your query in detail.
From the descriptions that you have given, the two most common presentation for your agecould be
Both of theseconditions can mimic each other and present with changes in the diet and sleep habbits with fatigue and chronic feeling of emptyness. You should meet a psychiatrist
who can assess you for depression. You should also insists for a thyroid level tests and look for hypothyroidim. In case if you have a hypothyroidim, your TSH levels will be higher than they are stated as normal.
in case if it is depression, then you need to egt it treated with either talk therapy
or medications like escitaloptram, fluoxetine
Good diet and regular exercise will also help you.
Hope I am able to answer your concerns.
If you have any further query, I would be glad to help you.
Wish you good health,
Dr. Pooja Reddy M.D.