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.
Causes of lower left abdominal pain in women. 1  Ectopic Pregnancy; A pregnant woman can of course be experienced mild abdominal pain in the lower left abdomen, this is due to the dilation of the uterus. 2  The pain is only mild and comes occasionally, but if pain is severe and persistent, is suspect as an ectopic pregnancy.