my son is 19 months old ..he do not sleep properly at night..he keeps on waking up and cry after every 1 to 2 hr ..he sleeps for hardly 3 to 4 hr in total ..what should i do?

A. knw that for. 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 .