Before revision: The instrument The SWAI consists of 59 items that provide six subscale scores: Excessive Daytime Sleepiness, Nocturnal Sleep, Ability to Relax, Energy Level, Social Desirability, and Psychic Distress* .
After revision: The instrument The SWAI consists of 59 items that provide six subscale scores: Excessive Daytime Sleepiness, Nocturnal Sleep, Ability to Relax, Energy Level, Social Desirability, and Psychic Distress .