The search for so-called good sleep has developed into a kind of Grail search. Whale songs, melatonin bears and therapy blankets are said to help. But does that really mean anything? Sleep researcher Birgit Högl knows it.
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The search for so-called good sleep has developed into a kind of Grail search. Whale songs, melatonin bears and therapy blankets are said to help. But does that really mean anything? Sleep researcher Birgit Högl knows it.
source site