
The site is very benefitial, may Allah,SubHana wa ta'ala, reward you.
These hadeeths have explained it. Though what does Sewak mean?
And what is the difference between the terms Ahadeeth and hadeeth? Or it's it just variations in spelling.
2- It is Sunna when praying at night to use Sewak and reciting the last verses of Ali-Imran from: {( 'Inna Fī Khalqi As-Samāwāti Wa Al-'Arđi Wa Akhtilāfi Al-Layli Wa An-Nahāri La'āyātin Li'wlī Al-'Albābi) i.e. (Indeed, in the creation of the heavens and the earth and the alternation of the night and the day are signs for those of understanding)} (Ali-Imran: 190) until finishing this Sura.
Wa alaikum salam