PRAYER IS THE KEY TO PARADISE H H 107 "I (Rabi'ah) used to spend my nights in the proximity of the Prophet, praise and peace be upon him, and prepare the water for his ablution. One day he said to me: 'Would you like to ask for something?' I replied: 'I ask for your companionship in Paradise.' He inquired: 'Is there anything else?' I replied: 'That is all.' He said: 'Then help me by increasing the number of your prostrations.'" R 107 Muslim with a chain up to Rabi'ah son of Ka'ab Aslami who related this.
106- الثاني عشر : عن أبي فِراسٍ ربيعةَ بنِ كعبٍ الأسلميِّ خادِمِ رَسُول الله صلى الله عليه وآله وسلم ، ومن أهلِ الصُّفَّةِ رضي الله عنه ، قَالَ : كُنْتُ أبِيتُ مَعَ رسولِ الله صلى الله عليه وآله وسلم فآتِيهِ بِوَضُوئِهِ وَحَاجَتِهِ ، فَقَالَ : " سَلْنِي" فقُلْتُ : اسْأَلُكَ مُرَافَقَتَكَ في الجَنَّةِ . فَقَالَ : "أَوَ غَيرَ ذلِكَ" ؟ قُلْتُ : هُوَ ذَاكَ ، قَالَ : "فأَعِنِّي عَلَى نَفْسِكَ بِكَثْرَةِ السُّجُودِ" رواه مسلم .