This chart from interview student junior at Price of Songkla University Phuket Campus shows the cause of the students who often sleep in the class of student junior at Price of Songkla University Phuket Campus. It can be seen that caused by playing the game late 17 people this problem people has how solve by don’t play game 1 people, solve by spend the time for sleep 14, and solve by sleep 2. Caused by studying have 27 people that people solve this problem by spend the time for sleep and study has 19 people, by sleep 1 people, and by don’t study 3 people. Cause by hang out are has 13 people that problem solve by stay home to sleep 3 people, solve by sometime hang out 9 people, and solve by don’t go anyway 1 people . Cause by surf the Internet has 30 people that solve this problem by spend the time to sleep 20 people, solve by unplug the internet router 2 people, and find out other what to do has 8 people. And cause of other has 13 people. The most reason that make people sleep late is surf the internet.