My baby is 3 weeks and 5 days old, yesterday and today she has been having periods of screaming as if there is something wrong. During these times she has just been fed, changed and this usually occurs just as she's getting over to sleep. Today she has slept for a total of 2 hours, she was fidgeting all night for the last 2 nights and slept better lying on her belly on my chest. Does this sound like colic? I feel so helpless and it's getting me down, I don't know what else to do.