"I had read somewhere that you could learn with your subconcioius while sleeping"

Hypnosis Program Relax.jpg
Public DomainHypnosis Program Relax.jpg - Credit: Interaura Net
Learning while you sleep was first mentioned in the 1911 novel 'Ralph 124C+ by Hugo Gernsback. It has been the topic of much debate. Some profess its value while others see the idea as fantastical.