The lack of sleep deprivation can also occur as a result of another condition known as hyper-arousal. This condition is often used as an excuse by those who have no other medical reason for avoiding sleep. For example, someone who is suffering from cancer undergoing chemotherapy may insist that they must sleep because their body will become too sensitive to the medicines. Or a person with diabetes may say that they need to rest because their blood sugar levels are so high; if they don’t sleep well, it will be a sign that the condition is worsening.
Another type of insomnia is difficulty initiating sleep. Those suffering from insomnia will frequently find themselves waking several times during the night. This difficulty initiating sleep can be caused by a number of different conditions. Some of these conditions are hypoxemia, sleep apnea or narcolepsy. Other insomnia symptoms include restless legs syndrome and restless leg syndrome.
Sleep apnea and narcolepsy are two very different but similar disorders that share the fact that sufferers who have one disorder often have the other. Narcolepsy is an extremely serious condition because it can result in the patient falling asleep for prolonged periods of time or not even falling asleep at all. People who have narcolepsy are particularly prone to having interrupted sleep. On the flip side, individuals who have decreased urination due to increased prevalence of high blood pressure are also more likely to have narcolepsy. In fact, researchers believe that individuals with increased prevalence of high blood pressure are at greater risk of developing insomnia than those with normal blood pressure.
Another group that is commonly grouped together as insomnia sufferers are the good sleepers. Good sleepers do not have problems getting to sleep at all and if they do have problems sleeping they usually have not suffered from insomnia for a long time. These good sleepers also typically experience elevated levels of stress and anxiety. Stress and anxiety can negatively impact the body and mind and can lead to insomnia. In fact, insomnia can be an indicator of other diseases and disorders.
Other insomnia patients are those who are experiencing psychiatric disorders. There are a variety of psychiatric disorders that can lead to insomnia. Individuals who are dealing with bipolar disorder are particularly prone to insomnia. Other psychiatric disorders that are linked to insomnia are schizophrenia and post-traumatic stress disorder.