عَنْ مَسْرُوقٍ قَالَ: سَأَلْتُ عَائِشَةَ: أَيُّ الْعَمَلِ كَانَ أَحَبَّ إِلَى رَسُولِ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ؟ قَالَتْ: الدَّائِمُ قُلْتُ: فَأَيُّ حِينَ كَانَ يَقُومُ مِنَ اللَّيْلِ؟ قَالَتْ: كَانَ يَقُومُ إِذا سمع الصَّارِخ

Anas said, “We never wanted to see God’s Messenger praying at night without doing so, and we never wanted to see him sleeping without doing so.”**The tradition most probably means that he Prophet did not go to extremes in religious observances.Nasa'i transmitted it.