Just as the eight-hour workday is an artificial construct, so is “you need eight hours of sleep.” ...

Is it easier to fall asleep in low gravity?” and other spaceflight questions, answered by two NASA sleep scientists.

Today, let's dive into something that affects many of us to varying degrees: sleep. Those nights tossing and turning, with ...

In the early days of sleep science, the 1930s and ’40s ... Like an artist ensconced in a secret studio, our mind appears to experiment without inhibition, let loose on its own personal mission.

That might seem like an evolutionary disadvantage, given sleep leaves us immobile and potentially vulnerable to attacks for hours on end — but evidence suggests we have many key physiological ...

People on TikTok and other social media say they feel more alert when they have had fewer hours of sleep—but sleep scientists warn this is a false sense of energy ...

Through behavioral experiments in mice coupled with advanced neuronal imaging, researchers found how sleep helps consolidate ...

In the quiz below, test your knowledge of the science of sleeping, as well as the dreams that unfold during sleep. Remember ... psychology's most infamous experiments? —Human evolution quiz ...

In this way, sleep unlocks an experience that we can't access during our waking hours. In the quiz below, test your knowledge of the science of sleeping, as well as the dreams that unfold during ...