Get the best out of your sleep
It seems that all you really need to survive and feel rested is the REM phase, which is only a tiny portion of your actual sleep phases at night. You only spend 1-2 hours in REM sleep during any given night, and the rest is wasted on the other seemingly useless phases. The way to hack yourself into entering REM sleep without being exhausted is to trick your body into thinking you’re going to get a tiny amount of sleep. You can train it to enter REM for short periods of time throughout the day in 20-minute naps rather than in one lump at night. Remarkably, adding just one nap during the day shaves an hour and forty minutes off your total sleep requirement. Powernapping Scientific experiments and anecdotal evidence suggest that an average power-nap duration of around 1 - 2 hours is most effective.Mitsuo Hayashi, Ph.D. and Tadao Hori, Ph.D.have demonstrated that a nap improves mental performance even after a full night sleep. REM sleep, this particular sleep state is highly conducive to f