Is it normal to laugh by yourself?
Yep.Totally normal
Yes—laughing by yourself is totally normal. You might be reacting to a funny thought, remembering something, or just enjoying your own sense of humor.
Absolutely. People laugh alone when they remember a joke, imagine a funny scenario, watch or read something amusing, or simply let a silly thought get the better of them. Sometimes it’s a way of releasing tension, too.
Most people don’t think twice about someone laughing to themselves; it’s just part of having an inner life. If you’re enjoying the moment and it isn’t causing problems, there’s nothing odd about it.