Detailed text transcripts for TV channel - DW - 20180513:21:44:00
As soon as the subject enters a deep sleep phase the clicks are played into their headphones. the researchers track the different phases of sleep on the e g deep sleep is instantly recognizable due to the slow oscillations that click is played just as the wave begins to crest a fifty year just the important thing is the timing when exactly you play the click sounds it's kind of like a kid on a swing that you're pushing with. you can increase the length of the swing by giving the child a push at exactly the moment when it says far back and up as it's going to go. by giving a small place then yo...