another reasonable thought,
"The only two examples of fasting that I have discerned are the fast of Mariam, the mother of Isa and the fast of Zakharia, both which consisted of NOT talking! As has been mentioned in the Qur'an, fasting has been prescribed for us as it was prescribed for those before us, then it only makes sense to observe the fast as described in the Qur'an by those before us!"
https://free-minds.org/forum/index.php?topic=9610670.msg425212#new
"The only two examples of fasting that I have discerned are the fast of Mariam, the mother of Isa and the fast of Zakharia, both which consisted of NOT talking! As has been mentioned in the Qur'an, fasting has been prescribed for us as it was prescribed for those before us, then it only makes sense to observe the fast as described in the Qur'an by those before us!"
https://free-minds.org/forum/index.php?topic=9610670.msg425212#new