Guilt due to frustrating sleepless nights

I feel guilty and really terrible some nights when I'm too tired to attend to my crying baby because I'm too tired from work and I want to sleep and he will want to play or get my attention at 2am , I know he's just a baby and doesn't understand that I need my time to rest , and I also try my best to keep sane but nights are not the same , especially because I do everything myself,it's just me and him . I try my best to be attentive every time he cries but there's certain nights where it's really hard and I just want to cry with him and I get angry at him and myself. So this makes me feel like I'm a terrible mother.😢💔