in and no one will see me , '' she laughs . The lightning-fast speed of Venus ' serve is at complete odds with her personality . She is strong , ambitious and determined , but also surprisingly laid-back for someone whose professional career is about playing harder , longer and faster . `` I just always go with the flow , '' she told CNN . `` On the court , that 's when I get most intense . In practice , I scream and yell and threaten to throw my racquet but in the match I 'm not like that at all . '' Her younger sister , world number one Serena , sounds almost envious of Venus ' ability to keep her emotions in check . `` Venus is really , really unusually composed and that 's just her style , '' Serena told CNN . `` On the court she 's always really focused . She always has this quiet tenacity and she never really shows her emotions which I think is good . '' The youngest of five sisters , Serena says she continues to draw inspiration from her closest sibling . Venus is just
-LRB- CNN -RRB- -- The only thing Venus Williams treasures more than winning is a decent nap . Venus Williams knocks Anastasia Pavlyuchenkova out of the Barclays Dubai Tennis Championships on February 17 , 2009 . Just before a match , when other top tennis players might be psyching themselves up for a three-set onslaught , the elder of the Williams sisters can be found somewhere private , snoozing . `` I 'm always sleepy , '' she told CNN in an interview for this month 's edition of `` Revealed . '' `` I 'm literally taking a nap during the first set and the match before me , so I 'm probably the only person that can go to sleep , come out 15 minutes later and start playing . '' Wary of sending the wrong signals to her rivals , the sixth seed confessed to CNN that she prefers to take her naps in private . `` I 'm wondering if my competitor is going to see me here , so I try to act like I 'm not asleep , but I am asleep , or I try to find a place where I can sleep