It's better not to withdraw from coffee cold turkey: your body can even react with hearing problems. Abrupt withdrawal can put immense strain on the body.
There are many reasons not to go cold turkey. It has been proven that the caffeine it contains stimulates us and increases our ability to perform and concentrate. Researchers also found that coffee's mood-boosting effects go so far that it can prevent serious mental illness. Caffeine is said to be able to prevent the development of depression.