Ay, hindi po yan ganap normal kaya I'd really suggest checking with your pediatrician about that, lalo na kung paulit-ulit na nangyayari, sometimes mainit lang talaga ang ulo ng babies dahil doon sila nagfe-regulate ng temperature, pero if it's consistently hot while the body is normal, better safe than sorry na! A few of us moms in the group had similar concerns and the doctor always appreciated na naremark namin agad, kaya dala mo na lang sya next checkup or sooner kung nag-worry ka.