May baby is 3 years old, he keeps sucking his thumb while sleeping. rest of time he does not repeat. kindly suggest.

A. hi j thumb sucking is naturs way of soothing, comforting, it normally occurs at 3 to 4 mths of age. try involving your baby in other activity to decrease thumb sucking. normally child outgroWS this habit by 3 yrs of age. if it continues beyond that, if it interfers with speech, eating, or other finger activities , consult your paediatrician.