Is it normal to laugh hysterically?
Yep.Totally normal
Yes—laughing hysterically can happen when something is especially funny, or when you’re nervous, stressed, or overtired. It’s usually harmless, especially if it passes and doesn’t keep disrupting your life.
Sometimes laughter gets bigger than the moment seems to call for. Nerves, stress, exhaustion, or simply getting caught up in someone else’s laughter can all set off a fit you have trouble stopping. Lots of people have had one.
If it happens often when you don’t feel amused, feels impossible to control, or starts getting in the way of daily life, it’s worth mentioning to a healthcare professional. Otherwise, a laugh that runs away with you now and then is generally no big deal.