ID	Insomnia disorder
HS	Healthy subject
RL	Red light
WL	Write light
BC	Black control
ipRGCs	Intrinsically photoreceptor retinal ganglion cells
REM	Rapid eye movements
NREM	Non-rapid eye movements
PSG	Polysomnography
EEG	Electroencephalogram
EOG	Electrooculogram
EMG	Electromyogram
ISI	Insomnia severity index
PSQI	Pittsburgh sleep quality index
SDS	Self-rating depression scale
SAS	Self-rating anxiety scale
PANAS	Positive and negative affect scale
KSS	Karolinska sleepiness scale
AASM	American academy of sleep medicine
SOL	Sleep onset latency
TST	Total sleep time
SE	Sleep efficiency
NWAK	Number of awakenings
WASO	Wakefulness after sleep onset
NMA	Number of microarousal
MAI	Microarousal index
BMI	Body mass index
HS-RL	Healthy subject red light
HS-WL	Healthy subject write light
HS-BC	Healthy subject black control
ID-RL	Insomnia disorder red light
ID-WL	Insomnia disorder write light
ID-BC	Insomnia disorder black control