heat shock protien

Can anyone explain heat shock protien to me and its relation to cpn. I have gotten severe sun for the last 5 days and I think heat shock protien is the reason why im so sick. so far this is what I got from wikipedia.

Production of high levels of heat shock proteins can also be triggered by exposure to different kinds of environmental stress conditions, such as infection, inflammation, exercise, exposure of the cell to toxins (ethanol, arsenic, trace metals and ultraviolet light, among many others), starvation, hypoxia (oxygen deprivation), nitrogen deficiency (in plants), or water deprivation. Consequently, the heat shock proteins are also referred to as stress proteins and their upregulation is sometimes described more generally as part of the stress response