In ECOLOGY OF THOUGHT Knowledge System there are magnificent words (in Pythagorean School they were known as “ golden mean”) — up to one’s norm, within reasonable limits.
Every individuality has a different norm in accordance with it’s transpersonal experience.
For example for some people 8 hours sleep is normal, for others – 4 hours are enough.
Comparing our norm with some other person’s norm leads only to a disharmonic state.
Our norm can change in different periods of time, only one thing remains consonant — HEALTH as priority # 1 in everyday life.