For those individuals, Din suggested tapering caffeine consumption a week before Ramadan starts, keeping predawn meals simple and using any saved-up vacation time. The Council on

In a few days, over two billion people worldwide will start fasting during daylight hours for the holy month of Ramadan.

Ramadan is the ninth month in the Islamic calendar and is considered one of the holiest periods of worship. Muslims will fast from dawn to dusk - and are expected to abstain from eating, drinking and bad habits. The end of the fasting day is marked with dates, water, and a meal.