Neuroscientists probing the boundary between sleep and awareness are finding many types of liminal states, which help explain ...

What is a unit of consciousness? Are there different levels of consciousness? What happens to consciousness during sleep, coma and general anesthesia? As anesthesiologists, we think about these ...

In the narrative of the Story of Creation, there are so many deep ideas, cryptic details, each one a world of its own. One of ...

Sleep plays a critical role in our health, from the amount of rest we have on a given day to its affect on how the body ages.

An international consortium of researchers has created the largest-ever database compiling records of brain activity during sleep and dream reports.

Several studies in the past decade have revealed that up to a quarter of unresponsive patients with recent brain injuries may possess a degree of consciousness that's normally hidden from their ...

Busy people sometimes say that they will “sleep when they are dead.” The irony is that sleep deprivation harms your health ...

The more scientists research how we sleep, the more they discover how important sleeping is to our overall health and ...

After analyzing many previous studies on lucid dreaming, researchers have defined it as a state that differs significantly from both REM sleep and wakefulness. The awareness of dreaming during a lucid ...

I have no doubt that numerous nonhuman animals (animals) are conscious beings, and I know I'm not alone in taking this strong and uncompromising position. Whenever I publish something to this effect ...

The measurement problem in quantum mechanics looks at how an experimental outcome changes, simply by observing it.