Want a healthier love life? Get better sleep, says sleep scientist Matt Walker. In this episode, he explains how getting more quality shut-eye can boost fertility and vitality — plus how sex can even improve your sleep.

Sleep -- we spend one-third of our lives doing it, but what exactly do we get out of it? And how can we do it better? In this TED series, sleep scientist Matt Walker uncovers the facts and secrets behind our nightly slumber. Check out more episodes on TED.com: https://go.ted.com/sleepingwithscience

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