How Much Sleep Do We Need? · 51 Übungsaufgaben mit Erklärung
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Sleep and Rest · Health and Wellness
How Much Sleep Do We Need?
This unit explores the recommended amount of sleep for adults, which is 7-9 hours per night, and emphasizes that individual sleep needs may vary. Üben mit sofortiger Rückmeldung, kostenlos und ohne Anmeldung.