0 = never doze
1 = slight chance of dozing
2 = moderate chance of dozing
3 = high chance of dozing

  
Sleep Calculator
Activity Score
Sitting and reading
Watching TV
Sitting inactively in public
Car passenger (for an hour)
Lying down in the afternoon
Sitting and talking to someone
Sitting quietly after lunch (no alcohol) 
Stopped for a few minutes in traffic
Total