can anyone tell me why baby is laughing after 2to 8days from birth eventhough they do not know what is happening in front of them.whether smiling is due to theiractiviy or involuntary muscle twitching?

Question

shrutipande9 · Answer

this is an interesting question...we still dont know about that....but my grandmom used to say its because of involutar muscle twitching...

anonymous · Answer

but do you know any correct scientific reason

shrutipande9 · Answer

umm..not really:(