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.
Prior to the education reform initiatives in Sri Lanka, the. formal pre-tertiary education system consisted of four. stages: primary: grades 1-5; junior secondary: grades 6-8; senior secondary: grades 9-11; collegiate: grades 12-13. There was a commonly prescribed curriculum for grades. 1 to 11.