Table 1 Median normalized melatonin suppression values (MSV⁽ⁿ⁾, %) for the five standard lamp categories. Values in parentheses indicate minimum and maximum values.

From: Home lighting, blue-light filtering, and their effects on melatonin suppression

Lamp group

MSV(n) (%)

cool-LED

12.1 (11.8/12.4)

warm-LED

3.6 (3.3/4.0)

cool-CFL

12.3 (7.3/13.7)

warm-CFL

2.6 (2.5/3.0)

Incandescent

1.5 (1.0/2.1)

  1. CFL, compact fluorescent lamp; LED, light-emitting diode; MSV, melatonin suppression value.
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