My baby sleeps so good during the day I really don’t know why my body won’t let me take advantage of it & nap while he…

My baby sleeps so good during the day I really don’t know why my body won’t let me take advantage of it & nap while he is sleep but it’s like my body’s like oh baby’s asleep lets make it impossible for her to fall asleep too then night rolls around he’s up half of it & im like a miserable zombie 🤦🏻‍♀️😭