Caffeine and performance

The Australian Olympic Committee (AOC) confirms that caffeine should belong to banned medications of the World Anti-Doping Agency. The president of the AOC John Coates claims that caffeine induces addiction to sleeping pills and tranquilizers.
It is known that the Australian swimmers that competed at the 2004 and 2008 Olympics used sleeping pills Stilnox. So, John Coates confirms that application of caffeine led to administration of Stilnox.
Stilnox is ordinarily sold under the name Zolpidem. It is a sleeping remedy which is indicated in case of insomnia.
John Coates confirms that sportspeople use caffeine in order to increase performance. Usage of this substance leads to insomnia. So, sportspersons have to use sleeping tablets in order to cure insomnia.
 The AOC and Swimming Australia want to prohibit usage of caffeine. It is their response to the disgraceful case related to Grant Hackett. A physician recommended administering Stilnox to this athlete at the time of the 2003 World Championships. As a result, Grant Hackett became addicted to this sleeping remedy.
Grant Hackett is a famous swimmer. He won many competitions, including the 2000 Sydney Olympics, the 2004 Athens Olympics and the 2008 Beijing Olympics.
Alan Thompson, the former coach of the Australian Olympic Team, has also confirmed that intake of Stilnox is widely spread among Australian swimmers.
Stilnox was never on the list of forbidden medicines. Anti-doping agencies didn’t conduct tests to discover intake of this medicine.
But when it comes to caffeine, earlier it was banned by the WADA. But since it became widely spread and used in society, it was excluded from the list of banned preparations.
John Fahey, the president of the WADA, claims that the WADA made the right decision and excluded caffeine from list of forbidden products. He claimed that caffeine would not be included in the list of banned products again.
However numerous specialists claim that caffeine is a performance enhancer, John Fahey contests this affirmation. He affirms that caffeine doesn’t impact on performance. He concludes that no any scientific literature describes capacity of caffeine to increase performance.