We all know that lazy eye is a kind of eye disorders. Medically, lazy eye calls amblyopia, which can affect the visual system that is characterized by a vision deficiency in an eye. Although lazy eye can be caused by many factors, such as stress, disorder in brain and look something only in one direction, lacking of sleep is hard to cause laze eyes. Sleeping disorder are really associated with eye problems. First, inadequate sleep must lead to puffy eyes, especially when you wake up in morning. I don't think they are popular with people. Second, lack of sleep also lead to eye pain and red eyes. If you chronic lacking of sleep, not only your eyes, but also your whole body will be affected. Your immune system must be the worst condition that caused by lacking of sleep. Next cold, fever will follow you. So no matter in any condition, adequate sleep is the essential thing to do everyday.