hi doctor. my baby is 3.5 months old. for the past 1 week she is not sleeping properly at night. without opening her eyes she turns her head side to side as if she has some discomfort in sleeping. she is not awake but showing discomfort , is this normal in babies? should i consult doctor? she use to sleep at night and wake up 2 ,3 times for feed but for the last 5 days she is showing this discomfort. any comments ir suggession would be helpful. thank you