Old self-help approaches like subliminal "sleep learning" have evolved and found new life on the Web.

The products with perhaps the broadest potential market, and often the most extravagant promises, are designed for so-called sleep learning.

"A simple technique known as sleep learning.

Sleep learning is a peculiar undertaking.

Sleep learning.

Hypnobioscope: A sleep learning device.

In Hugo Gernsback's 1911 story Ralph 124C 41+, one finds the Hypnobioscope, a sleep learning device.

A study in 1992 by the British Psychological Society dismissed the concept of sleep learning, finding that it can "only occur if the sleeping person is partly awakened by the message."

There he was made to lie upon a comfortable bed, headphones were placed on his ears, and Jennifer began a new technique for transforming a male's psyche to the one she desired--sleep learning.

Dr. Robert Bjork of the University of California, Los Angeles, another panelist, said sleep learning might be useful in teaching simple elements of foreign languages or for learning codes.

In 1927 he invented the Psycho-Phone for sleep learning: "It has been proven that natural sleep is identical with hypnotic sleep and that during natural sleep the unconscious mind is most receptive to suggestions."

She stood quietly at his shoulder while he made the inquiry, in Trade, so she could read it: MIRI ROBERTSON : PROGNOSIS FOR SLEEP LEARNING.

Sleep learning is a self-empowerment concept that dates back at least to Aldous Huxley's "Brave New World," published in 1932, but for most of the intervening years it could be found mainly on cassette programs tucked away on self-help shelves in bookstores alongside volumes on astral projection.

James Schmelter, a certified hypnotherapist who runs hypnotictapes.com out of San Francisco, said sleep learning on its own is often of only marginal benefit, which is why it is only one of four elements in his hypnosis-at-home programs, many of which he records individually for customers and sells for $98.

The idea of sleep-learning is found in influential science fiction and other literature.

Monroe was especially attracted to the concept of sleep-learning.

In the next chapter, which deals with experiments on sleep-learning, among other things, the evidence for this proposition will be discussed more fully.

Commonly used as an aid in sleep-learning.

Thought-reading machines were invented late in the twenty-first century, as a by-product of research into sleep-learning.

Reuben Rabinovitch, the character in whom the effects of sleep-learning, hypnopædia, are first noted.

Doesn't look like she can take sleep-learning."

Have you ever heard of sleep-learning?"

Sleep-learning.

The kid had gone to get his boss, leaving the two of them to kick their heels in what sleep-learning suggested was a formal reception parlor.

The novel plays in London in 2580, and speaks of developments in reproductive technology, biological engineering, and sleep-learning that change society.

The blue eyes shifted to her and she gave him a grin of encouragement before the sleep-learning kicked in and let her know that was a mistake.

She was dressed simply, in what sleep-learning told Miri was house-tunic, and tight trousers tucked neatly into a pair of buff-colored short-boots.

Sleep-learning (also known as sleep-teaching, hypnopædia, or hypnopedia) attempts to convey information to a sleeping person, typically by playing a sound recording to them while they sleep.

Fortunately, a team, composed of three "good" B-robots, had completed the whole course of sleep-learning, and befriended Yuzuru Koenji, Dr. Koenji's grandson.

"I bring thee greeting, child of Jela's hope," he said in the High Tongue, but in a dialect beyond any of those Miri had studied in her crash-course sleep-learning.

With a mutual glance that spoke more eloquently than their thought-images on the subject of this impulsive younger generation, they, too, donned their headsets and settled for a strenuous night of sleep-learning.

Sleep-learning had reinforced her vocabulary, made her comfortable with sounds and meanings, and the recent social encounter at the landing field had almost convinced her she had all things Liaden by the scruff of the neck.

At the bulky microphone it spoke in a stilted, slurred version of the language sig'Alda had picked up through sleep-learning; he surmised that it was being formal in order to add legitimacy to the delivery of negative information.

According to his own account, while experimenting with sleep-learning in 1958 Monroe experienced an unusual phenomenon, which he described as sensations of paralysis and vibration accompanied by a bright light that appeared to be shining on him from a shallow angle.

In the novel, sleep-learning was discovered by accident when a Polish boy named Reuben Rabinovitch was able to recite an entire radio broadcast in English after a radio receiver was left on in his sleep.

Set in London of AD 2540 (632 A.F. - "After Ford" - in the book), the novel anticipates developments in reproductive technology, sleep-learning, psychological manipulation, and operant conditioning that combine to profoundly change society.

The different categories of human are created, not by manipulation of genes, but by manipulation of the prenatal (if we may call it that) environment of embryos in their artificial wombs, and subsequent behavioural conditioning and sleep-learning (hypnopædia) during infancy and childhood.