Khawwat ibn Jubayr said, "Sleep at the beginning of the day is stupidity, in the middle of it is (an act of) character,and at the end of it is imbecility."  

عَنْ خَوَّاتِ بْنِ جُبَيْرٍ قَالَ نَوْمُ أَوَّلِ النَّهَارِ خُرْقٌ وَأَوْسَطُهُ خُلْقٌ وَآخِرُهُ حُمْقٌ