all of a suddenly my baby not sleeping properly. Before he sleep day time 3 hours and full night now suddenly every thing change he wakes up 1/2 hour once and he will cry. Some time he feel sleepy but he will not sleep why suddenly like this I am worried

A. it may be just gas pain .Infantile colic is a very common thing in babies . Some amount of gaseous trouble and colic pain will be there even after all medicine or proper burping . This will be normal as baby grow . Gastica drop can be given 3 times and meftal spas drop for pain .