There are few things in this world that I love more than sleep. A concept from this class that I will remember is what I learned about the biology of sleep. A major problem I have is getting a sufficient amount of rest (as I'm sure a good percentage of my classmates know all about). Although psychologists have different ideas regarding why we sleep at all, they do agree that it is necessary for survival. The demands of school or work may require one to skimp on sleep, but doing so can have drastic effects on many different aspects. Lack of sleep can result in decreased effectiveness of memory consolidation, hindering learning. It can take a toll on your mood and stress level while also throwing your weight and immune system off balance. The average healthy adult needs between 7.5 and 9 hours of rest each night. For some it just isn't going to happen but one useful fact to remember from this course is to work with your REM cycle. If you find yourself groggy in the mornings, try sleeping at a 90 minute multiple, for it is said to make you feel more wakeful. For tips from Mayo clinic on getting quality sleep click here. It is important to know about sleep in order to function better in everyday life. No doubt it will help me in the future!