Essay by stanhcoHigh School, 12th gradeA+, September 2005

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Sleep is an important part of our lives, we need it to restore our physical and mental well-being. Our bodies have an internal, natural clock which promotes a regular sleep cycle but when this cycle is disturbed, this is where the person experiences insomnia. The definition of insomnia is, the difficulty in initiating and/or maintaining sleep. Almost everyone has experieneced some insomnia in their lifetime, it is often caused by stress or worries, physical discomfort, medication, or a change in sleep schedule.

There are many different types of insomnia:

Sleep Onset Insomnia: A disorder in which the major sleep episode is delayed in relation to the desired clock time that results in symptoms of sleep onset insomnia or difficulty in waking at the desired time. Which really just means that you can't get to sleep because you want to sleep at a certain time but your unable to which starts to cause insomnia.

Idiopathic Insomnia: A lifelong inability to obtain adequate sleep that is presumably due to an abnormality of the neurological control of the sleep-wake system. This particular insomnia is long-standing, commonly beginning in early childhood, sometimes since birth.

Psychophysiological Insomnia: A disorder of somatized tension (conversion of anxiety into physical symptoms) and learned sleep-preventing association that results in a complaint of insomnia.

Childhood Insomnia: Mainly a childhood disorder that is characterized by the inadequate enforcement of bedtime by a caretaker with refusal to go to bed on time.

Those are just a couple of the different types of insomnia that exist but these are the ones that people most experience.

Effects of Insomnia

Some effects that insomnia can have on your health is a feeling of being tired and fatigued, it also affects mental functions including our ability to learn, remember, and concentrate. Daytime...