This stage will pass, it does not last forever even though somedays it might feel that way. Take a breath and remember this stage is temporary and you will get through it.
Keeping a daily to-do list can be a big help. Make sure you have a good system for planning out your daily life and remember to prioritize your to-do list based on priority.
Self-care is important and you need to schedule it for yourself. Even if you have to wait until you’ve put the kids to bed be sure you’re taking some time for yourself each and every day.