6 Secrets to Mastering Deep Sleep: The Environics Protocol Summary: In our fast-paced, hyper-connected world, 8 hours of sleep doesn’t always equal 8 hours of rest. True recovery happens during Deep Sleep, where the body repairs tissue and the brain flushes out toxins. However, invisible disruptors like “Electrosmog” (EMF radiation) from our bedside devices are causing “brain excitability,” keeping us in a shallow sleep state.