When Luke Gupta started as a performance coach to elite athletes 15 years ago, sleep was typically way down the list of priorities. “Athletes would celebrate the fact that they could operate on less sleep,” he says. “It was almost seen as a sign of resilience.”
Since then attitudes have changed radically. Gupta has added a PhD in sleep quality and elite sport to his master’s in exercise physiology, and provides sleep science support to clients who include the England women’s football team and Team GB at the Paris Olympics. “Athletes are now very conscious of sleep and the positive and negative effects it can have on their performance,” he says.
Gupta and other sleep experts say there is increasing evidence of a feedback loop
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