In 1994, Eric Remund published a theory paper called the free radical flux theory of sleep. The theory set forth that perhaps one of the reasons that we need to sleep in some ways is to deal with these free radicals that build up. In the past 30 years, has there been any evidence to support or reject the theory? It was only recently that a research group at Columbia University in New York explored this theory in really granular fashion in a way that it's never been explored before.

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