My baby is doing sound while sleeping and awaking.I went to 2 or 3 hospitals and doctors said after few months sound will go and nothing to worry they said endoscopy also done everything is fine but why sound is coming I can't understand they recommend calcium syrup

A. yes so now. good sleep helps with brain growth .can do various sleep tricks .make baby sleep in a adequate environment and room temperature . Make baby wear comfortable clothing . Baby should be well fed at sleep time . Can sing a lullaby or play some light music . Can also swing baby in arms gently for easy sleep . Should be no disturbances in sleep .