Significance of the six days of Shawwal

Abu Ayyub Al-Ansari relates that Allah’s Messenger (peace be upon him) says: “Whoever fasts the month of Ramadan and then follows it with six days of fasting in the month of Shawwal, it will be as if he had fasted the year through.” (Sahih Muslim, 1163)
The month of Shawwal is singled out for the observance of extra fasts, since this month follows immediately after Ramadan. The six days of voluntary fasting are to the obligatory fast of Ramadan what the Sunnah prayers are to the obligatory prayers.

The virtue of voluntary Night Prayer in Ramadan and Its rulings

It was narrated on the authority of Abu Hurayrah, may Allah be pleased with him, that the Prophet, sallallaahu `alayhi wa sallam ( may Allaah exalt his mention ), said: "Whoever stands (in voluntary payers on the nights of) Ramadan out of faith and hoping for reward from Allah, his past sins will be forgiven." [Al-Bukhari] This Hadeeth means that when the Muslim performs voluntary prayers at night during Ramadan while having faith that he will indeed be rewarded, seeking the pleasure of Allah The Almighty, being free of ostentation and fame, and hoping for the reward of Allah The Almighty,

The Night Prayer (Qiyam Al-Layl)

What is Qiyam Al-Layl?
Qiyam' means 'standing' and 'Qiyam al-Layl' means 'standing in night.' In the Islamic terminology, both terms refer to 'the voluntary night prayer, whose time extends from after 'Ishaa’ (evening) prayer until dawn.' Qiyam al-Layl is also known as Tahajjud.

A widespread misconception is that Tahajjud is a different night prayer than Qiyam. The true is that there is only one voluntary night prayer known by different names.

The excellence of night prayer: