“Coaches have access to a lot of information that fans and journalists don’t have,” he said in a news conference on Friday.
“After 41 appearances only one player in Spain’s history has scored more goals than him, and that’s David Villa,” Luis Enrique said.
“I’ve been working since the under-17s to be here, to play at the Euros,” he said.
“They’re moments that happen so fast that it doesn’t give you time to think,” he said.
He added: “When you draw a game you deserve to win, it’s normal that it’s hard to sleep afterwards, with the adrenaline.
“It’s true that a lot of mental health issues, anxiety, depression, aren’t considered with the seriousness they should be.