Son Heung-min has admitted that he suffers from a condition that could have stopped him becoming a Premier League star.
Tottenham Hotspur star Son Heung-min has established himself as one of the best players in the Premier League and indeed Europe over the last few years.
The South Korea international formed a deadly partnership with Harry Kane, and this season has stepped up with 14 league goals to help fill the void left by the Englishman's departure to Bayern Munich.
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Since arriving at Tottenham in a £22 million move from Bayer Leverkusen, Son has scored 117 goals and provided 60 assists in 293 Premier League appearances.
Regardless of his lack of silverware won with Tottenham, Son will be remembered as one of the great Premier League attackers, and one of the best Asian players of all time.
Everything could have been so different though.
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In 2021 Amazon Prime documentary Sonsational, which charts Son's journey from childhood in South Korea to the Premier League, the Tottenham star admitted that he suffers from insomnia.
People who suffer from insomnia have difficulty getting to sleep or staying asleep for long enough to feel refreshed the next morning.
During a segment of the documentary in which Son gives a tour of the new home that he has moved into, Son explains that the facilities of the building help him to cope with his condition.
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"This place [new house] has many choices to relax, this is why I moved in," said Son.
"There are many days the game finishes late and I suffer from insomnia. Then I can go to the swimming pool straight away, that helps me to recover.
"And the gym is not big but very well equipped. I can focus entirely on my play and my recovery."
While one in three people in the UK suffer insomnia-related symptoms, around 10% of people worldwide have symptoms serious enough to be considered a fully-fledged disorder.
Featured Image Credit: GettyTopics: Son Heung Min, Tottenham Hotspur, Premier League, Football, South Korea