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Insomnia

The term insomnia denotes a complete lack of sleep that occurs on a regular basis and often for no apparent reason. It is the persistent inability to fall asleep or to remain asleep long enough to get rest.

Target Group

Insomnia is more common in women than men and it tends to increase with age. It is most common in the elderly because with increased age there is a reduction of periods of deep sleep.

Type of Disease

Insomnia can be classified as transient, acute and chronic. Short term anxiety or jet lag can be a cause of transient insomnia which lasts from one night to a few weeks. The inability to consistently sleep well for a period of three weeks to six months is called acute insomnia. If it persists every night for more than a month then it is termed as chronic.

Symptoms

Difficulty in falling asleep is the chief symptom of insomnia. The other symptoms are:

  • Changes in sleep patterns
  • Changes in the quality and duration of sleep
  • Frequent lapses of memory
  • Lack of concentration during the day
  • Loss of coordination
  • Emotional instability

Affected Area

Sleep deprivation in insomnia affects the nerves in the brain and makes it difficult to relax.

Causes

The most common cause of sleeplessness is mental tension due to fear, worry and anxiety. It is often caused by stress, medications, herbs or drinking too much caffeine or alcohol. It can also be caused by an overactive mind or physical pain. Anger or bitterness can also cause insomnia. Dyspepsia, constipation, overeating at night, excessive intake of tea, coffee, nicotine and going to bed hungry are among the other causes.

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