 He rated himself 4/7 on the Stanford Sleepiness Scale at the onset of the study and 6 on the Epworth Sleeping Scale, said that his night sleep in the lab was characterized by a longer than usual sleep onset latency with more arousals than usual. 
He rated himself 4/7 on the Stanford Sleepiness Scale at the onset of the study and 6 on the Epworth Sleeping Scale , said that his night sleep in the lab was characterized by a longer than usual sleep onset latency with more arousals than usual .