Is anybody else feeling extremely tired?

Irene • I am a single mother of 1 son. He is 8 months old. I live with my folks and my goal is to live on my own.
It's about 5 months now and I feel like I am crashing to the point I don't ever want to get up. I didn't have this huge of a problem cause the last 4 months I was fine. I was resilient and I got things done now it's like I really don't care on what to do. I was reading the signs of postpartum hypothyroidism and the symptoms I have I believe but I want to make sure I am not going crazy here. 
The signs I have is.., 
Hair loss 
Lack of energy
Constipation 
Fatigue
Insomnia 
Weightloss to weight gain 
Confusion on everyday task 
Doe anybody else have these symptoms and. How did you cope besides everyday excercise and eating healthy? I mean do I need to see a doctor about this?