I Had A Total Hysterectomy In February Of This Year,

I had a total hysterectomy in February of this year, due to an ovarian cyst the size of a cantaloupe, and it was noncancerous. I still feel terrible five months later and can't seem to get my energy or zest for life back. The doctor has put me on estrogen and then put me on an anti depressant to alleviate crying daily. The crying has ceased but I still feel extremely tired and not good at all. It is also not helping because I can no longer sleep at night. Do you have any suggestions and how long before my body feels half way normal again, or will it ever?