Depression and anxiety

I've been struggling lately. Maybe it's because it's cold and dark most days, will I brighten up when the weather does? I've had depression and anxiety for ages. Both cause difficulties in my every day life, nothing serious but a big hassle I could do without. 

I've grown increasingly concerned about my mum who is mid fifties and growing increasingly forgetful, forgetting shopping, names and repeating stuff to me she told me earlier on. Bit of a worry. Her mum had Alzheimer's and I'm worried she's going the same way. I'm no longer involved in with the mental health team but I'm increasingly tempted to get in touch so I can get help with the increasing pressure. I'm ok, I'm keeping busy, but it feels like I'm starting to crash and burn and I can't get the worry off my mind. I'm up all night, can't sleep, and my pain from fibromyalgia has increased likely from the anxiety. So I need to see the GP about that, need my medicine altered. I could mention my other worries to her but GP visits aren't my fave place so I try and get in and out within twenty mins.