And a separate study, published in Appetite journal, analysed how different dietary nutrients could impact a person’s average length of sleep.
It found those who consumed less selenium slept for shorter periods – less than five hours.
“Regression analyses showed that very short (less than five hour) sleep was associated with decreased intake of all assessed minerals, as was long sleep (with the exception of copper, which was a trend).
“After adjustment for overall diet, only decreased phosphorus, magnesium, iron, zinc and selenium in the context of very short sleep and decreased phosphorus in the context of long sleep remained significant.”
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