(4) Prayer
كتاب الصلاة
(4a) Chapter: The Virtues of Prayer - Section 1
(3) باب فضائل الصلاة - الفصل الأول
Mishkat al-Masabih 629 
He also reported God’s Messenger as saying, "No prayer is more burdensome to the hypocrites than the dawn and the evening prayer; but if they know what blessing lies in them, they would come to them even if they had to crawl to do so.” (Bukhari and Muslim.)
وَعَنْهُ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «لَيْسَ صَلَاةً أَثْقَلَ عَلَى الْمُنَافِق مِنَ الْفَجْرِ وَالْعِشَاءِ وَلَوْ يَعْلَمُونَ مَا فِيهِمَا لأتوهما وَلَو حبوا»
 مُتَّفَقٌ عَلَيْهِ  (الألباني)حكم :
Reference : Mishkat al-Masabih 629
In-book reference : Book 4, Hadith 63