Depression ?

Hey people! I am not very sure if I suffer from depression, well a year ago I was diagnosed with severe depression and it actually got a bit better, I am not sure if I could say I am depressed people say it is depression but it feels much different this time, I just really struggle with lot of things lately, since I am feeling worse much worse again my sleeping disorder got worse too and I literally sleep a bit more but sometimes I don’t sleep at all because of sleep paralysis, well to explain it better, I got so unmotivated in this I loved doing ( going out, singing, writing songs, drawing) I lost appetite and I honestly struggle getting out of bed even 3 hours after I wake up… At the moment I fall asleep at 5-6am and sleep til 5pm and the rest of the day I struggle surviving, it’s really exhausting being awake half of the day but when it gets dark I am bit better, I have a dog and I barely find motivation to go out with her ( I do for a little walk but that’s also so exhausting ) I loved going out with my princess but it’s so tiring. I stopped talking to many people, I am having often panick attacks, breakdowns I barely eat, and most of the time I sit on my couch and smoke cigarettes one by one drinking coffee or energy drinks to stay awake. I feel pretty lost, lost in my „nothing“ and like I lost myself… having anxiety attacks as soon as I get out of my room or house.I cannot even go to my doctors or to any appointments because I am too weak most of the time. I am very much unsure if that’s depression, could someone tell me an opinion to this ?