Husband back to work

So my babys 13 months, her father just started back to his work because of covid and I feel like this week has drained the life out of me. I’m always tired, getting her sister off to school and taking her for the 20 minute drive there and back, she’s a very hyper toddler anyway, and she’s into everything, she’s so curious and I love it but I’m just having such a hard time keeping up. When their dad gets home I want home to do everything with the kids but I know he just worked too, I just feel like my soul is draining from my body I feel terrible and like I’m a bad mom for being so exhausted, am I? :(