Since you usually get too little sleep, please talk to your doctor about your sleep patterns. Poor quality sleep can affect many areas of your life and health, and your doctor may be able to help you if you have difficulty sleeping, have insomnia, or have other sleep disorders.
Following are some of the most common attributes of pain in the left rib cage area: 1  Heartburn or acid reflux-This is a common cause of pain in the left side of the ribs. 2  This may be triggered as a result because of over-consumption of acidic foods or drinks that generally cause heartburn. Costochondritis-This is a condition that results from an infection of cartilages that bond the ribs with the breastbone. 2  This can be the result of a forceful impact of the shoulder and rib cage area or caused by a viral infection. 3  Unbearable pain is experienced near the breastbone as the patient breaths heavily.
These include: 1  Costochondritis â The cartilages that join the ribs to the breastbone can get inflamed causing pain and discomfort in the ribs. 2  Fractured Rib â An injury leading to broken rib on the left side can cause excruciating or sharp pain under the left rib cage and needs immediate medical attention. Nerve Irritation â Sometimes a trapped or irritated nerve due to spondylitis, bulging disc or other arthritic conditions and injuries in the neck or upper back can cause pain under the rib cage, depending on the area supplied by the nerve.