Depression

Have been having extreme depression lately to the point I asked my doctor to up my dosage on my Zoloft. Nothing specific has happened but just this past week it has seemed to hit extremely hard. It is so difficult to get out of bed for work or even try to be active after work. I just want to sleep. I have 8 days until my next period and I’m guessing thatsnot helping either as well as me eating like a pig lately. Just needed to let my thoughts out