Sleep is a period of rest and revitalization, without it, a person will become very weak and start to go insane. The story of Macbeth, written by William Shakespeare in the Elizabethan, tells the tale of a man who was tempted by weird sisters to ambition and a greed for power. Macbeth killed the king to gain his throne. However after the murder Macbeth is unable to sleep properly. Sleep is one of the key …showed first 75 words of 756 total…

…showed last 75 words of 756 total…uses of this lack of sleep is due to the guilt the characters are feeling. Macbeth and Lady Macbeth are feeling very guilty as the murder of Duncan totally goes against their conscience. Sleep is also the natural healer. It heals all parts of the body, the mind and the muscles and it provides the person with energy and livelihood. A person who doesn't receive these advantages will grow unstable and unhealthy physically and mentally.