Epworth Sleepiness Scale

Chance of Dozing
Situation None Slight Moderate High
Sitting and reading
Watching TV
Sitting inactive in a public place (eg: in a theatre or in a meeting)
As a passenger in a car for an hour (without a break)
Lying down to rest in the afternoon (when possible)
Sitting and chatting to someone
Sitting quietly after lunch (not having had alcohol)
Stopped in traffic for a few minutes while driving