Is it normal to double-check everything?
Mostly.Normal for most people
Yes, it’s normal to double-check things, especially when you’re busy, stressed, or worried about making a mistake. It’s worth paying attention if checking keeps repeating, takes up a lot of time, or makes it hard to move on.
Lots of people check the door, reread a message, or make sure they turned something off. A quick second look can be a useful habit—and stress or a big responsibility can make you want extra reassurance.
The line is when “double-checking” turns into checking again and again even though you already know the answer, or it starts eating up time and peace of mind. If that’s happening, you’re not being silly; it may help to talk it through with someone you trust or a mental health professional.