my baby usually sleep very less in day nd night total 2-3hr in day nd 4-5 hrs in nyt...( he sleeps 12 in nyt nd wake up @2-2:30am..tk formula milk nd breast fees nd den sleeps @4am nd wake up...@6-7am tk breast feed nd sleeps @9am..nd wake up @10am nd whole he wake up nd in d evening he sleeps around 5-6pm nd wake up @7pm..) so dis sleep pattern is normal or sumthng to worry on? as people says new born sleeps 16-18hrs