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Fig. 3 | Sleep Science and Practice

Fig. 3

From: Impact of blue-depleted white light on pupil dynamics, melatonin suppression and subjective alertness following real-world light exposure

Fig. 3

Changes in salivary melatonin concentration (a) and SSS values (b) during the baseline (< 10 lx, − 3 → 0 h) and experimental light exposure (150 lx, 0 → 3 h) for both the blue-depleted (grey) and standard (black) white LED lamps. Melatonin data were z-score transformed and averaged prior to plotting. Mean ± SD are shown

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