Can Dreaming Help You Sleep More Deeply?

Can Dreaming Help You Sleep More Deeply?

In the no-man’s-land between going to sleep and waking up, your brain goes through myriad states. On an electroencephalogram (EEG), or a readout of the brain’s electrical activity, scientists and doctors can tell each stage apart. But it is not totally clear what each one brings to the mix. Sleep relieves fatigue, allows the brain to process the events of the day, and appears to aid in memory and learning. But which stage does what? Answering th…