There are two very different traditions about the value of sleep in productivity. Thomas Edison (1847-1931), whose lifetime of inventions changed the world, believed that sleep was an idle activity ...

Neuroscientist Karen Konkoly is a lucid dreamer. When she’s asleep and immersed in a dream, she knows that she is, in fact, dreaming. One of her favorite things to do during these sleep sojourns is ...

The German chemist Friedrich Kekule claimed to have intuited the chemical structure of the benzene ring after falling asleep in his chair and dreaming of an ouroboros (a serpent biting its own tail).

It is most likely to occur at the onset of sleep, but can also occur on waking up, or during the day if we become drowsy and zone out of normal consciousness. Can we use the hypnagogic state to ...

The Beatles’ song Yesterday was written in what psychologists refer to as the “hypnagogic state”. This is the twilight zone between sleep and wakefulness, when we drowsily linger in a semi-conscious ...