Gianni Infantino, the soccer body's president, defended the decision to introduce breaks — which come midway through each half — at this World Cup and said they may be providing more entertainment for fans.
He said FIFA would analyse what it will do in future tournaments "based on this experience."
But after criticism that the breaks were a stealth way to insert advertising or American-style timeouts, Infantino suggested the stoppages have been positive.
"Maybe the coach can reassess certain situations, correct certain mistakes. The players get a little rest and come back in full speed. Well, is that bad necessarily? Maybe it's good," Infantino said.
"And we see as well the intensity of the games. We've never seen 90 minutes in a tournament like this played in such an intensity.
"Until the last second of the match, players attack and so on," he continued. "And maybe, maybe not, but maybe it's also a bit thanks to this little break that the players have and after they can go back on the field and show what they can do."
The World Cup has certainly delivered in terms of entertainment, with goals scored at a record pace and big performances from soccer greats like Lionel Messi, Kylian Mbappé and Erling Haaland.
There have also been shocks provided by debutants Cape Verde and Curacao, despite fears the expansion of the tournament from 32 teams to 48 would dilute the quality.
But the biggest criticism has been the introduction of hydration breaks for all matches regardless of venue or location.
Loud jeers have greeted the stoppages, around 22 minutes into each half, especially at games played in stadiums with roofs and air conditioning, such as Atlanta.
Infantino said it was necessary for sporting equity.
"If we were to use hydration breaks only in those matches where it was too hot and not in the other matches, we would give an advantage or a disadvantage to some of the coaches or some of the teams," he said.
"Why would the coach have the opportunity to influence the game in one match just because it's hot and in another match where it's a bit less hot, he wouldn't have this opportunity?"
Infantino also insisted FIFA was making no extra money as a result of networks cutting to commercials because contracts had been signed before the decision to introduce hydration breaks.
The Swiss has also confirmed United States president Donald Trump will hand over the World Cup trophy to the winners at the final on July 19.
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