Is of inestimable value, not the unit in which to place it, not measurable by money. Physical health of an individual depends on the true number of factors, which are nowadays (“modern era”), weakens factors only increase.
On the physical health factors would be categorized as the first series of pleasure, joy, positive attitude. Health means freedom, freedom of movement, freedom of work, allows us to perform various hobbies.
The health of our children, infants to parents some of the largest, invaluable. The first part on the way to overall health should obviously be a good sleep, healthy sleep, but it is not quite decisive for all this. (including people, which otherwise excellent sleep, have the diseases..)