Types of Insomnia

There are several types of insomnia. Following are the most common.

  • Sleep Onset Insomnia (Delayed Sleep Phase Syndrome): 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 awakening at the desired time.
  • 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.The insomnia is long-standing, commonly beginning in early childhood, sometimes since birth.
  • Psycho-physiological Insomnia: A disorder of somatized tension (conversion of anxiety into physical symptoms) and learned sleep-preventing association that results in a complaint of insomnia and associated decreased functioning during wakefulness
  • Childhood Insomnia (Limit-Setting Sleep Disorder): Primarily a childhood disorder that is characterized by the inadequate enforcement of bedtimes by a caretaker with resultant stalling or refusal to go to bed at the appropriate time.
  • Food Allergy Insomnia: A disorder of initiating and maintaining sleep due to an allergic response to food allergens.It is typically associated with the introduction of a new food or drink, i.e., cow's milk
  • Environmental Insomnia (Environmental Sleep Disorder): A sleep disturbance due to a disturbing environmental factor that causes a complaint of either insomnia or excessive sleepiness. (How about the garbage man or the leaf blower early in the morning!?)
  • Transient Insomnia (Adjustment Sleep Disorder): Represents sleep disturbance temporally related to acute stress, conflict or environmental change causing emotional agitation.
  • Periodic Insomnia (Non 24-Hour Sleep-Wake Syndrome): Consists of a chronic (lasting a long time) steady pattern consisting of 1-2 hour daily delays in sleep onset and wake times in an individual living in society.
  • Altitude Insomnia: An acute (short and sharp course, not chronic) insomnia usually accompanied by headaches, loss of appetite, and fatigue, that occurs following ascent to high altitudes. (Unless you are a mountain climber or a mountain goat, this kind of insomnia won't apply)
  • Hypnotic-Dependency Insomnia (Hypnotic-Dependent Sleep Disorder): Characterized by insomnia or excessive sleepiness that is associated with tolerance to or withdrawal from hypnotic medications.
  • Stimulant-Dependent Sleep Disorder: Characterized by a reduction of sleepiness or suppression of sleep by central stimulants, and resultant alterations in wakefulness following drug abstinence.

Toxin-Induced Sleep Disorder: Characterized by either insomnia or excessive sleepiness produced by poisoning with heavy metals or organic toxins.

  • Insomnia due to an emotional problem: Insomnia can be a symptom of a number of emotional difficulties. If you find that you worry excessively about numerous minor matters or if you have experienced sadness or a loss of interest in activities for a number of weeks consult your physician.


Highly Recommended: Insomnia Cure at The Sleep Ninja

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