Overview Javascript code is used to roll images, open new browser window and detect browser type. This Javascript code is not necessary to use the site. This condition may be accompanied by insomnia , sleepiness , and malaise . See sleeping difficulty and sleep studies .
Normal sleep is comprised of various periods of different types of sleep.
In a typical night's sleep, each of us normally experiences several of these forms of sleep. If the combination or sequence of types of sleep is disrupted by the factors above, the result is typically unrefreshing sleep. While this happens on occasion to all of us, if it occurs regularly, you should consult a physician . The information provided herein should not be used for diagnosis or treatment of any medical condition. A licensed physician should be consulted for diagnosis and treatment of any and all medical conditions.