ConclusionSleep isn't just a form of rest. Sleep plays a

critical physiological function,

and is indispensable for your

intellectual development.

Most of the 18-22 years male &

22-25 years female have sleeping problems.

• For BODY requirement, HUMAN need to sleep 8 hours.

• Female must practice to sleep with light off because body due to natural traits, reacts to darkness as a time for shelter and sleep

• Male must try to decrease the temperature of air-conditional to avoid sleeping problem.

• Psychiatrist will be a good choice for you when strongly feel stress or anxiety.

References• Sio, U., Monaghan, P., & Ormerod, T. (2013). Sleep on it, but only if it is difficult: Effects of sleep on

problem solving. Memory & Cognition, 41(2), 159-166. doi:10.3758/s13421-012-0256-7• Jain, V., Tomar, R., Jha, J., Pareek, A., Ratan, Y., & Paliwal, N. (2013). Sleep quality and sleep

associated problems in female pharmacy students. Chronicles Of Young Scientists, 4(2), 138-143. doi:10.4103/2229-5186.115553

• Short, M. A., Gradisar, M., Gill, J., & Camfferman, D. (2013). Identifying Adolescent Sleep Problems. Plos ONE, 8(9), 1-6. doi:10.1371/journal.pone.0075301

• SimplyPsychology.(2011)Psychology Research Report guideline. Retrieved from http://www.simplypsychology.org/research-report.html

• Oxford dictionaries website.(2014) Definition of sleep in English. Retrieved from http://www.oxforddictionaries.com/definition/english/sleep

• Sociology.(2014)Survey of questionnaire. Retrieved from http://sociology.about.com/od/research/a/surveys.htm

• Cbs Boston.(2011) study finds more women have trouble sleeping than men. Retrieved from http://boston.cbslocal.com/2011/12/15/study-finds-more-women-have-trouble-sleeping-than-men/

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• [2] Katheleen, D. (2010). Can’t sleep? Adjust the temperature. Webmd magazine.• [3] Greensleep.com. (n.d.). Welcome to green sleep. [Online] Retrieved from:

http://www.greensleep.com/Europe/Great-Brittain/EN/seg-belang-diepe- slaap.asp [Accessed: 19 Jan 2014].