Each of these stages can easily be featured in the waves that neural chemistry gives off during the night.
Ironically, some of the most interesting places to eat, see and stay will also at the cheaper end. Deep sleep regenerates your body, and REM sleep may seem to regenerate your brain. https://www.pressadvantage.com/story/66738-phoenix-estate-attorney-libby-banks-pllc-expands-enhances-trusted-legal-services