Sleep paralysis occurs as a person is moving into or out of REM (rapid eye movement) sleep, the deepest part of sleep. During REM sleep, the body is largely disconnected from the brain, effectively leaving the body paralyzed.
England and a few other countries start formal education at age 4 or 5. That's harmful and misguided.
Greece-Legal System. The provision of free education to all citizens and at all levels of the state education system is a constitutional principle of the Greek State. Education is compulsory from the ages of 6 to 15.