BIS	Bergen Insomnia Scale
CSS	Crew Status Survey
EEG	Electroencephalography
EOG	Electrooculography
ESS	Epworth Sleepiness Scale
FNE	First Night Effect
FSS	Fatigue Severity Scale
IMO	International Maritime Organization
ISI	Insomnia Severity Index
KSQ	Karolinska Sleep Questionnaire
KSS	Karolinska Sleepiness Scale
MEQ	Morningness-Eveningness Questionnaire
NFR	Need for Recovery Scale
OSA	Obstructive Sleep Apnoea
POMS	Profile of Mood States
PSG	Polysomnography
PSQI	Pittsburgh Sleep Quality Index
PsyCap	Psychological Capital
PUI	Pupil Unrest Index
PVT	Psychomotor Vigilance Test
RTT	Reaction Time Test
SE%	Sleep Efficiency
SOFI	Swedish Occupational Fatigue Inventory
SOL	Sleep Onset Latency
SPFS	Samn-Perelli Fatigue Scale
SSS	Stanford Sleepiness Scale
TSD	Total Sleep Debt
TST	Total Sleep Time