In undergoing fasting, some things Shari'a is offered when fasting. One of them is Sahur. Eating sahur certainly can provide energy to us, especially in the first days of fasting.
say Prophet Muhammad SAW
تَسَحَّرُوا فَإِنَّ فِى السَّحُورِ بَرَكَةً
Eat sahurlah ,, because in (meal) Sahur there is blessing "(Muttafaq 'alaih).
Sahur food is a blessing. So do not leave it to drink only a mouthful of air, because Allah subhanahu wa ta'alaa and the couriers pray for mercy to those who. (HR Ahmad no 11003, assigned Al Albani in Shahih Al Jami ').