No time or sex/never in the mood

We're ttc , but haven't had sex at all this month :( the toddler stays up wit daddy and is hard for her to settle. when we have time, like last night, I'm not in the mood. I can't get wait. My sex drive is gone. I know antidepressants can do that, but they're not the issue. Dr try giving me Viagra, but I didn't much difference. Any ideas to give us time, and get my drive back?? Really wanted a Christmas baby :(