As for staying up late, it is caused by hunger due to the lack of humidity and fumes that bring sleep, especially drinking water, because it is all sleep and its lust is false. The benefit of staying up late is being alert to always work with God on what is in the works, for if he sleeps, he is transported to the world of the isthmus according to what he slept on, no more, so he misses out on much good that is not He knows it only in the case of staying up late, and if he adheres to that, staying up late will spread to the eye of the heart and the eye of insight will be cleared by adhering to the remembrance, so he will see as much good as God Almighty wills, and in the attainment of these four, which are the basis of knowledge for the people of God, and Al-Harith bin Asad Al-Muhasibi paid attention to them more than anyone else, and they are knowledge of God and knowledge. The soul, knowledge of the world, and knowledge of Satan. Some of them mentioned knowledge of desires instea