Thursday, July 10, 2014

An Overview of Insomnia

An Overview of Insomnia 

Insomnia is a sleep disorder that is characterized by difficulty falling and/or staying asleep. People with insomnia have one or more of the following symptoms:

    Difficulty falling asleep
    Waking up often during the night and having trouble going back to sleep
    Waking up too early in the morning
    Feeling tired upon waking

Types of Insomnia

There are two types of insomnia: primary insomnia and secondary insomnia.

    Primary insomnia: Primary insomnia means that a person is having sleep problems that are not directly associated with any other health condition or problem.
    Secondary insomnia: Secondary insomnia means that a person is having sleep problems because of something else, such as a health condition (like asthma, depression, arthritis, cancer, or heartburn); pain; medication they are taking; or a substance they are using (like alcohol).

Acute vs. Chronic Insomnia

Insomnia also varies in how long it lasts and how often it occurs. It can be short-term (acute insomnia) or can last a long time (chronic insomnia). It can also come and go, with periods of time when a person has no sleep problems. Acute insomnia can last from one night to a few weeks. Insomnia is called chronic when a person has insomnia at least three nights a week for a month or longer.
Causes of Insomnia

Causes of acute insomnia can include:

    Significant life stress (job loss or change, death of a loved one, divorce, moving)
    Illness
    Emotional or physical discomfort
    Environmental factors like noise, light, or extreme temperatures (hot or cold) that interfere with sleep
    Some medications (for example those used to treat colds, allergies, depression, high blood pressure, and asthma) may interfere with sleep
    Interferences in normal sleep schedule (jet lag or switching from a day to night shift, for example)

Causes of chronic insomnia include:

    Depression and/or anxiety
    Chronic stress
    Pain or discomfort at night


Symptoms of Insomnia

Symptoms of insomnia can include:

    Sleepiness during the day
    General tiredness
    Irritability
    Problems with concentration or memory

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