عَنْ أَبِي هُرَيْرَةَ رَضِيَ اللَّهُ عَنْهُ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَآلِهِ وَسَلَّمَ: ((إِيَّاكُمْ وَالْوِصَالَ)) قَالَهَا ثَلَاثَ مِرَارٍ، قَالُوا: فَإِنَّكَ تُوَاصِلُ يَا رَسُولَ اللَّهِ!، قَالَ: ((إِنَّكُمْ لَسْتُمْ فِي ذَلِكَ مِثْلِي، إِنِّي أَبِيتُ يُطْعِمُنِي رَبِّي وَيَسْقِينِي، فَكَلِّفُوا مِنَ الْعَمَلِ مَا تُطِيقُونَ))
It is narrated from Sayyiduna Abu Hurairah, may Allah be pleased with him, that the Messenger of Allah, peace and blessings be upon him, said three times: Avoid continuous fasting (wisal). The companions said: O Messenger of Allah! You yourself observe continuous fasting? He, peace and blessings be upon him, said: You are not like me in this matter. I spend the night in such a state that my Lord feeds me and gives me drink. You should do only as much as you have the strength for.