what's happening in the last one-third of the night?.

    And from part of the night pray with it as additional worship for you, its expected that your Lord will resurrect you to a paradise position "station" (Israa: 79). Here Allah Azza wa Galla commanded His prophet to pray the night prayer after offering the prescribed prayers, and Altahajuod refers to prayer that offered after sleeping and our prophet used to pray Altahajuod after He had slept.

    The prophet (PBUH) was commanded to pray the night prayer although all His previous and future sins had been forgiven, but for other members of His Ummah (Muslims) offering optional prayer may expiate for whatever sins they may commit. 

    And when the prophet Muhammad was asked which prayer is best after the obligatory prayers (Fard), He said: the night prayer .

what's happening in the last one-third of the night?.

    The Messenger of Allah (PBUH) said: our Lord who is blessed and exalted descends every night to the lowest heaven when the last one-third of the night remains, and says who supplicated Me so that I may answer him?, who asks of Me so that I may give to him?who asks My forgiveness so that I may forgive him?.

    Also Allah says: their sides remain a part from their beds, they call their Lord with fair and hope, and spend from what we have given to them (Alsajda:16). Here the believers leave the comfort of their beds, rise and get busy with the remembrance of Allah in submission and supplication because they are apprehensive of his displeasure and punishment while remaining hopeful of His mercy and reward. The expression denoting the leaving of beds and getting busy with the remembrance of Allah Azza wa Galla means the night prayer that are offered after rising from sleep.

How to identify the last one-third of the night?.

    Here you will count the time by hours between the Maghreb prayer (the beginning of the night), and the dawn prayer (the end of the night), then divide the hours into three parts, for example: if the Maghreb prayer was at 5 PM, and the Fajr prayer was at 5 AM, the time between them will be 12 hours, and you will divide 12 hours into 3 parts, each one will be 4 hours. The first one-third will be from 5 PM- 9 PM, the second one-third will be from 9 PM-1 AM, and the last one-third will be from 1 AM-5 AM.

    Ummu Almu'minin A'yesha radia Allahu anha said: "don't give up prayer at night, for the Messenger of Allah would not leave it whenever He fell ill or lethargic, He would offer it setting. And our prophet said: "if a man awakens his wife at night, and then both pray or both offer two rakhahs together, the name of the man will be recorded among those who mention the Name of Allah, and the name of the woman will be recorded among those who mention the name of Allah.

    Rabi'ah Ibn K'ab Alaslami said: I used to live with the Messenger of Allah at night, I would bring water for His ablution and His need, He asked me: ask Me, I said: your company in paradise, He said: is there any thing other than that?, I said it's only that, He said: help Me for yourself by making prostration abundantly. 

How to pray at night?.

    A man asked the Messenger of Allah about the prayer at night, the Messenger said: prayer during the night should consists of pairs of rakhahs, but if one of you fears the morning is near (the Fajr prayer time), he should pray one rakhah which will make his prayer on odd number for him.

    A'yesha radia Allahu anha said: "the prophet (PBUH) used to pray thirteen rakhahs during the night including the two rakhahs of the dawn prayer (the Sunnah of the Fajr prayer) which offered before the prayer, and this means that the Messenger used to pray eleven rakhahs at night, observing the witr with one rakhah. And He said: "if any person who offers prayer at night regularly but on a certain night, he is dominated by sleep will be given the reward of praying, and his sleep will be alms-giving.