Stay awake late at night leads to spinal deformities Researchers proved specialize in diseases and orthopedic surgery , to ensure a night for long periods of time leads to bone deformities ..1 - darkening around the eyes , eyelids wilting 2 - anemia, anemia , due to the inability of marrow to produce blood cells , because of the iPod3 - sloth , lethargy , emaciation , inability to acts that require effort . 4 - weakened immunity , nervousness , excitement , anxiety , tension , messing up th