There is a great difference of opinion among the Shaykhs on this subject. Some hold that it is not permissible for a novice to sleep except when he is overpowered by slumber, for the Apostle said: “Sleep is the brother of Death,” and inasmuch as life is a benefit conferred by God, whereas death is an affliction, the former must be more excellent than the latter. And it is related that Shiblí said: “God looked upon me and said, ‘He who sleeps is heedless, and he who is heedless is veiled.’” Others, again, hold that a novice may sleep at will and even constrain himself to sleep after having performed the Divine commands, for the Apostle said: “The Pen does not record (evil actions) against the sleeper until he awakes, or against the boy until he reaches puberty, or against the madman until he recovers his wits.” When a man is asleep, people are secure from his mischief and he is deprived of his personal volition and his lower soul is prevented from gaining its desires and the Recording Angels cease to write; his tongue makes no false assertion and speaks no evil of the absent, and his will places no hope in conceit and ostentation; “he does not possess for himself either bane or boon or death or life or resurrection.” Hence Ibn `Abbás says: “Nothing is more grievous to Iblís than a sinner’s sleep; whenever the sinner sleeps, Iblís says, ‘When will he wake and rise up that he may disobey God?’” This was a point of controversy between Junayd and `Alí b. Sahl al-Iṣfahání. The latter wrote to Junayd a very fine epistle, which I have heard, to the effect that sleep is heedlessness and rest is a turning away from God: the lover must not sleep or rest by day or by night, otherwise he will lose the object of his desire and will forget himself and his state and will fail to attain to God, as God said to David, “O David, he who pretends to love Me and sleeps when night covers him is a liar.” Junayd said in his reply to that letter: “Our wakefulness consists in our acts of devotion to God, whereas our sleep is God’s act towards us: that which proceeds from God to us without our will is more perfect than that which proceeds from us to God with our will. Sleep is a gift which God bestows on those who love Him.” This question depends on the doctrine of sobriety and intoxication, which has been fully discussed above. It is remarkable that Junayd, who was himself a “sober” man, here supports intoxication. Seemingly, he was enraptured at the time when he wrote and his temporary state may have expressed itself by his tongue; or, again, it may be that the opposite is the case and that sleep is actually sobriety, while wakefulness is actually intoxication, because sleep is an attribute of humanity, and a man is “sober” so long as he is in the shadow of his attributes: wakefulness, on the other hand, is an attribute of God, and when a man transcends his own attribute he is enraptured. I have met with a number