All sorts of different studies are pointing to how lack of sleep damages brain cells. One recent study found that in mice 25% of certain brain cells died as a result of a prolonged lack of sleep. Other studies have found lower integrity white matter in the brain, possibly as a result of lack of sleep.
1 Food poisoning; food poisoning can also cause pain in the lower left abdomen. 2  Moreover, it can cause nausea, vomiting or diarrhea and fever. 3  Symptoms usually occur for 24-48 hours. 4  For some cases, need to be hospitalized.
Pain in the lower left side of the abdomen is called left lower quadrant pain. It is often related to the digestive tract, but can also be related to conditions of the body wall, skin, blood vessels, urinary tract, or reproductive organs.evere pain that comes in waves may be caused by kidney stones. Trauma to the body wall, hernias, and shingles can also cause left lower quadrant pain. A hernia is a weakening of muscle or tissue that allows organs or other tissues to protrude through it.