How to Sleep 4 Hours per Night
Zapping your brain with an electromagnet could do the trick. A good night’s sleep just takes too long. Scientists may soon be able to cut those eight wasted hours down to three or four—by waving a wand, more or less. The technique, transcranial magnetic stimulation, involves an electromagnetic coil that emits pulses of skull-penetrating, neuron-activating magnetic energy.
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