But there is the possibility of overriding the mind and body’s desire for sleep. By simply telling themselves they’ve slept well, studies show that people can temporarily trick their brains. Of course, continually getting too few hours of shut-eye will eventually cause problems, but telling yourself you got more sleep and that you feel refreshed leads to better performance in the morning.The sleeping subway riders were also onto something. Even after a terrible night’s sleep, a 10-minute nap can significantly increase short-term alertness and improve problem-solving skills.根据以上文字回答问题Which one is NOT the way to overcome the desire for sleep?以下哪一个不是克服睡意的方式？

A. Self-suggestion
B. A short nap
C. Eating
D. Telling yourself that you are not sleepy