Additional
Information: Infants normally cry from 1 to 3 hours a day. It is perfectly normal for an infant to cry when he or she wants to communicate hunger, thirst, discomfort, tiredness, or loneliness. It is also normal for a baby to have a fussy period in the evening.
Ho
MedlinePlus Medical Encyclopedia
Information on causes of excessive crying in infants, advice and treatment. http://www.nlm.nih.gov/medlineplus/ency/article/003023.htm