Eh sayang, combination of demam, sesak nafas, and hidung tersumbat tu better get checked out with your doctor soon, jangan tunggu lama-lama, okay? Especially if it's happening consistently every evening macam ni. Could be a lot of things, but doctor boleh properly assess and help you feel better. Jangan take chances, especially as a first-time mum. Take care of yourself so you can take care of baby!