Why is it five more minutes and not more five minutes?

"More" always needs to come after the number that tells us how many more.

You can also put it at the end, though it sounds a little more unusual. "Five minutes more"

This is the adjective order in English - and more fits into the qualifier category (just). 1. Determiner (a, the, some, my, etc.) 2. Quantity/Number (two, several, many) 3. Opinion (lovely, horrible, interesting) 4. Size (big, small, tall) 5. Age (young, old, ancient) 6. Shape (round, square, narrow) 7. Colour (red, blue, dark) 8. Origin (French, American, Chinese) 9. Material (wooden, plastic, silk) 10. Purpose/Qualifier (sleeping [as in “sleeping bag”], cooking [as in “cooking pot”])

"Five" is a determiner, like "some", "that", "this", "a" or "the". Determiners always come at the start of the noun phrase.

“How **many** more minutes?” “**Five** more minutes.” The person wanted more minutes (of sleep), and added five to be more specific.

Google the royal order of adjectives.

Eight more donuts, One more time, An other person

English word order this is.

You can say "five minutes more".

A simple way to think of it is that you want 'more minutes' not 'more five'. That might be easier to wrap your head around than the definition of 'determiner'.

It should be 'five minutes more,' but people are used to saying 'number' followed by 'more,' when the subject i contextually obvious. Someone adding sugar to your coffee, "two more please," or should we watch another episode, "yeah, just one more!"

"Five" is the adjective describing the "more minutes" that the person wants.

More five minutes would mean that the person wants a bigger collection of five minute time periods haha