History of breast cancer symptoms and conditions

I've been taking Alesse for up to a month now and all I've been wanting to do is sleep. I sleep through classes all the time and have been falling behind in school. I've fallen asleep before during school which is why I thought it wasn't caused by anything except maybe stress over marks but then I've started getting hot and cold flashes, my face has been breaking out a lot more, and I've been a bit more emotional. Also my family has had a history of breast cancer and I read online that it might affect it. But anyways what I was wandering is how long before it gets better and if anyone has dealt with it affecting the whole breast cancer thing? I asked my doctor but all he said was awhile and I don't know if I can fall behind in school anymore. Any suggestions? Tips? Maybe recommend a new light birth control? Would be very much appreciated please and thank you.