My husband was so supportive and loving while I was pregnant but now that I have had our son things…

My husband was so supportive and loving while I was pregnant but now that I have had our son things don't feel the same. He don't help me much and when I have stayed up with our son and say anything about being tired he comes and says he is tired 2. I'm getting depressed because I feel like I don't have any help and feeling alone