a sleep disorder characterized by sudden and uncontrollable episodes of deep sleep; "he believes that narcolepsy is attributable to an inability to suppress REM sleep during waking"
concerned chiefly or only with yourself and your advantage to the exclusion of others; "Selfish men were...trying to make capital for themselves out of the sacred cause of civil rights"- Maria Weston Chapman
lost in thought; showing preoccupation; "an absent stare"; "an absentminded professor"; "the scatty glancing quality of a hyperactive but unfocused intelligence"