i think my aunt is going threw deppresion

my aunt hasnt slept for days ......... she been up calling everyone at 5in the morning she talking about the pass how my uncle cheated on her did this to her she driving me insane this is not the first time she done this she hasnt been like this for 3 yrs and she hasnt been onj medication for 3 days and   i really dont know her daughter tht lives with her is tired every ones tired im only 13 and she telling me stuff i dont know for a fact she always crying saying god this god........... i need your help she been talking to much ....hasnt taken showers for days and it annoying