When do babies start laughing and what do they laugh at?

laugh Laugh, chuckle, grin, smile refer to methods of expressing mirth, appreciation of humor, etc A laugh may be a sudden, voiceless exhalation, but is usually an

laugh and, for a few moments, we were all laughing together It was as if we'd just arrived and had the whole year still ahead of us “What's the joke laugh laugh , brother , I must go mad A quarter of an hour has passed , it's time for you to get out of your bath A little bit more Just a minute It