Musannaf Ibn Abi Shaybah

Hazrat Mujahid says that Hazrat Umar received news that the governor he had appointed does not take a midday nap (Qailulah). Hazrat Umar wrote him a letter: Take a midday nap, because it has been conveyed to me that indeed Satan does not take a midday nap. Hazrat Mujahid said: Indeed, the devils do not take a midday nap.

Hazrat Abdur Rahman bin Abi Laila narrates that Hazrat Khawat bin Jubair, who is a Badri companion, said: Sleeping in the early part of the day is foolishness, sleeping in the middle of the day is natural disposition, and sleeping in the latter part of the day is stupidity.

Hazrat Abdur Rahman bin Yazid bin Jabir narrates that Hazrat Mak’hool considered sleeping after Asr to be disliked and said: There is a fear of being afflicted with doubts (whispers) by doing so.