id	keyword
ccsj-289	color
ccsj-289	doi
ccsj-289	light
ccsj-289	lightness
ccsj-289	research
ccsj-289	effects
ccsj-289	journal
ccsj-289	influence
ccsj-289	psychology
ccsj-289	functions
ccsj-289	sleep
ccsj-289	performance