Assuming you mean Muslim households and not Arab households, since not all Arabs are Muslim (today is the day you learn about https://en.wikipedia.org/wiki/Arab_Christians and https://en.wikipedia.org/wiki/Arab_Jews and https://en.wikipedia.org/wiki/Druze and https://en.wikipedia.org/wiki/Bah%C3%A1%CA%BC%C3%AD_Faith and even https://en.wikipedia.org/wiki/Irreligion_in_the_Middle_East), everyone still eats during Ramadan, they just do it at night.