ANOVA	Analysis of variance
BDI	Beck Depression Inventory
EB	Event-based
KSS	Karolinska Sleepiness Scale
MMSE	Mini-Mental State Examination
PM	Prospective memory
PSQI	Pittsburgh Sleep Quality Index
REM	Rapid Eye Movement
SD SE	Standard deviation Sleep Efficiency
SEM SOL	Standard error of the mean Sleep Onset Latency
STAI	State-Trait Anxiety Inventory
SWS	Slow-wave sleep
TB TST WASO	Time-based Total Sleep Time Wake After Sleep Onset