Sleep is vital to human life yet over 100 million Americans of all ages regularly fail to get a good night's sleep (Morin, 2004). This is especially visible at university where students always complain of being tired because of a lack of sleep. One disorder that can lead to lack of good sleep is insomnia. It is therefore significant, in our sleep-deprived society, to learn what insomnia is, how it is caused, and how it is treated.
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