Literature reports positive findings about the effect of lighting schemes on the recovery attitudes and times of inpatients in hospital environments when such are designed with due regard to new norms evolving in parallel to these findings. It being self-evident that such schemes would themselves have to be in operating condition for any benefit to be realised, it was considered only obvious that before any actual attempt at their implementation-either in new, or in retrofit applications-the first step would have to be an assessment of the degree to which this end was being maintained for...