I swear I’m not tripping but my 1 week old be laughing this the second time I caught him first time…

I swear I’m not tripping but my 1 week old be laughing this the second time I caught him first time I caught him my 1 year old was crying cuz I was putting him down for his nap and I look over and my baby all gums showing and giggling then just now I looked over at him he giggling and laughing again