Erratum to: The effect of nocturnal blue light exposure from light-emitting diodes on wakefulness and energy metabolism the following morning

Table 1 Characteristics of the subjects

Age, year	22.7 ± 1.5
Height, cm	175.1 ± 5.0
Body weight, kg	70.8 ± 9.5
Body mass index, kg/m²	23.0 ± 2.7
Body fat percentage, %	21.1 ± 14.4
Habitual sleep duration, h	7.5 ± 0.7
Pittsburgh sleep quality index	3.8 ± 1.2

ISSN: 1347-4715