i am on my first cycle and i just wanted to ask you all a question hope u can help me im on my 4th week. i have been getting fast heart beats and cannot sleep sometimes i also get really depressed alot and bad headaches i started getting fast heart beats in week 1 and the depression has come in my 3rd week could you all please tell me whats wrong and what i can do to make depression less and why i am getting these fast heart beats