Table 2 Simulated light scenarios.
Scenario | Time interval | Illuminance (lx) |
|---|---|---|
A. Long day, constant light (LD 16:8, Fig. 1a) | 07:00–23:00 | 0 up to 10,000 |
23:00–07:00 | 0 | |
B. Short day, constant light (LD 10:14, Fig. 1b) | 09:00–19:00 | 0 up to 10,000 |
19:00–09:00 | 0 | |
Wake-19:00 | 0 up to 10,000 | |
19:00-sleep | 15 | |
D. Long day varying evening & daytime light exposure (Figs. 4, 5 and 6) | Wake-19:00 | 200, 800. 2000 |
19:00-sleep | 0 up to 150 | |
E. Natural light scenario (LD 14.5:9.5) | 06:00–20:30 | 4500 |
20:20–06:00 | 0 | |
F. Electrical-lighting in the constructed environment | Wake-09:30 | 100 |
09;30–14:30 | 1000 | |
14:30–19:00 | 100 | |
19:00-sleep | 20 |