Hindi pa talaga ang one month old babies ay ganyan ka-developed ang temperature regulation nila, kaya parang hindi sila makakaramdam ng init at lamig parang tayo, mas importante pa rin na bantayan mo lang kung comfortable sila sa swaddling at room temperature! A few of us moms noticed na ang babies nila ay mas nagsusuffer talaga from being too cold than too hot, so we make sure na may proper blankets pero hindi overheating, pero honestly it's better to ask your pedia about this para sure ka na sa approach mo.