Hi any of you experience yr LO have sudden change of sleeping pattern at night? Tomorrow she will be 6months old. My LO suddenly have this sleeping issue. She will sudden cry in the middle of the night sometimes a few times within few hours. When she start crying i have to carry her n pat her back so sleep but after that for few mins/hrs she start again. She had no issue till it happen when she was 5month old. It been happening for weeks. And i am very tired. I really dont knw what to do. anyone can help me out?