Getting adequate amount of sleep is one principal aspect that helps people to success. Although most people mention that lack of sleep can damage health, it becomes a trend in hard workers specifically university students. According to The Sleep Quality Index and the Centers for Disease Control’s National College Health Risk Survey claimed that approximately 12% in 859 undergraduate students in southeastern university experienced sleep deprivation and 76% rare had sleep problems. (Cited in Vail-Smith et al, 2009). Sleep deprivation is a common problem in undergraduate students that can affect on academic performance because sleep provides to be more energetic. For example, when students get less sleep, they will be sleepy, less energy and loss focus during the class; misunderstanding the lesson or lecture can affect their educational outcomes such as grades. As Huffington said that getting enough sleep will help people to be successful and become more productive, joyful life and inspired. Inadequate sleep or less than 8 hours of sleep each night leads loss of concentration, alertness reduction and loss of productivity. These negative consequences can cause shoddy works. Getting enough sleep is one of good time management and the best way to be successful, also to stay healthy.
Avoiding multitasking is one of good time management to be successful. Multitasking means doing two things at the same time, which negatively affect on personal ability to perform. The university students have lots of opportunities to multitask because of the right to bring technology devices to school. For example, from the reality most students bring their own laptop, smart phone to a lecture or class. Most of the time they multitasks such as texting, using social networking websites and searching. Similarly to the example of a student who plans to listen to a lecture’ s tape while s/he is taking class (cited in Richmond, 2009, p.32). His/her behavior affects directly to his/her ability to learn the material and participating in class. In addition, as cited in Richmond (2009), multitasking can damage cognitive ability and memory. (p.25). It causes responded slowly, poor