Night chills occasionally. no sweating ache in groin and ribs and feels tight when take deep breath slightly what is it?

Chills: Chills are a serious symptom and if it is persistent and associated with other symptoms warrants evaluation by a physician ASAP

See your doctor: Tightness in your chest with deep breathing may be asthma but this is a difficult call to make with such vague symptoms. Need more history so better see your doctor. Night chills without fever or sweating may not be anything else other than feeling cool