You know your tired when you go to unzip your jacket instead of your pants so you can use the toilet...
What's your "you know your tired when..'?
When you pour your toddler's whole milk into your coffee instead of your delicious French vanilla creamer 😣
When you’re soooo tired and run to the grocery store for milk, and upon returning home forget to lock your car. To then wake up the next morning to be informed by your husband our 4 month old SUV is gone. It was also Friday the 13th so I’m sure that didn’t help. I remember to lock the car now no matter how tired lol