(7) Fasting
كتاب الصوم
(7b) Chapter: Voluntary Fasting - Section 2
(6) باب القضاء - الفصل الثاني
Mishkat al-Masabih 2065 
‘Amir b. Mas'ud reported God’s messenger as saying, “Fasting in winter is booty gained without trouble.”* *Literally, 'the cold booty.' The idea is that in winter one does not suffer from hunger and thirst as in summer. Ahmad and Tirmidhi transmitted it, the latter saying this is a mursal tradition.
وَعَنْ عَامِرِ بْنِ مَسْعُودٍ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «الْغَنِيمَةُ الْبَارِدَةُ الشِّتَاءِ» . رَوَاهُ أَحْمَدُ وَالتِّرْمِذِيُّ وَقَالَ: هَذَا حَدِيثٌ مُرْسل
 لم تتمّ دراسته  (الألباني)حكم :
Reference : Mishkat al-Masabih 2065
In-book reference : Book 7, Hadith 108