Closeness to Allah – Fasting teaches self-restraint and strengthens obedience to Allah.
Forgiveness of Sins & Increase in Taqwa – The Prophet (PBUH) said, "Whoever fasts during Ramadan with faith and seeking reward, all his past sins will be forgiven." (Bukhari, Muslim)
Acceptance of Duas – The prayers of a fasting person at the time of Iftar are accepted by Allah.
Reduced Influence of Shaytan – Fasting helps in controlling desires and overcoming negative temptations.