[3] Or "getting up at night is more difficult...," meaning that it can only be done by sincere believers.
[4] i.e., for reciting, hearing, and understanding of the Qur’an.
[7] The ruling mentioned at the beginning of this surah is lightened here. So from now on, the believers do not have to stick to any of the portions specified there; rather, they can pray whatever they can at night. It is out of the mercy of Allah upon His servants that He does not want hardship for them.
[8] i.e., giving in charity and for His causes.
[9] It will be rewarded tenfold, or 700-fold, and Allah gives even more to whoever He wills. See 2:261.