Fig 1.
PRISMA flow diagram.
Fig 2.
Distribution of article types.
Fig 3.
JCR partition of the article types.
Table 1.
Classification and evidence levels of the included literature.
Fig 4.
The framework of this review.
Fig 5.
Light-responsive pathways for circadian regulation.
Fig 6.
Light-responsive pathways for emotional regulation.
Fig 7.
Hormone daily variation (left) and hormonal interactions (right).
(Figs. a and b are re-drawn according to literature [92], Fig. c is re-drawn according to literature [93], and Fig. d is re-drawn according to literature [94]).
Table 2.
Hormones and their properties.