Amongst runners it's a well known fact: it's important to run in your aerobic zone. In your aerobic zone you're doing precisely enough. Not too much, but not too little either.
If you push yourself too hard, in other words, when you're working out in your anaerobic zone, your body starts to protest with painful muscles and fatigue. On the other hand, if you don't push yourself hard enough you won't improve.
That's why the best trainingprogrammes combine periods of effort with periods of rest. It's a constant search for balance.
How this applies to motherhood
The same principle applies to motherhood!
As a mom, if you push yourself too hard you'll end up parenting in your anaerobic zone. When you're in your anaerobic zone as a mom, you'll notice you get angry fast, irritable en stressed. Just like in running, it's important to balance effort and rest.
Give yourself a chance to recharge, and you'll be a better mom for it! And don't be too hard on yourself.
Allow yourself to be in your aerobic zone!