Optimale Schlafdauer - Frau, die sich im Bett räkelt

There is only one optimal sleep duration!

Optimal sleep duration – are most recommendations wrong? Basically, and I emphasize this again and again, I am glad when the media take up the topic of “sleep”. The more it is discussed, the better, because a lack of sleep is currently costing the German economy over €60 billion. Especially…

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