
Last night was the worst ever. I can't imagine myself lying on bed with eyes closed trying to have my rest and unveil a dream. But my head just keep on talking, yeah talking like conversing with somebody inside me. Lot of thoughts about life, future, plans and problems. I really don't know the reasons thought it's my nature. I keep on thinking things to happen the next days of my life. But though, I can still manage to sleep though it would take an hour or two. I thought before it's normal but no it's a symptom of possible chronic illness.
Insomnia is a sleep disorder where one can't find himself close his eyes or rest his mind. It is also considered as mental disorder as specifically the brain works on it. There are three types of insomnia:
- Transient insomnia lasts from days to weeks. It can be caused by another disorder, by changes in the sleep environment, by the timing of sleep, or by stress. Its consequences - sleepiness and impaired psychomotor performance - are similar to those of sleep deprivation. If this form of insomnia continues to occur from time to time, the insomnia is classified as intermittent.
- Acute insomnia is the inability to consistently sleep well for a period of between three weeks to six months.
- Chronic insomnia lasts from months to years. It can be caused by another disorder, or it can be a primary disorder. Its effects can vary according to its causes. They might include sleepiness, muscular fatigue, and/or mental fatigue; but people with chronic insomnia often show increased alertness.
- Psychoactive drugs or stimulants, including certain medications, herbs, caffeine, cocaine, ephedrine, amphetamines, methylphenidate, MDMA, methamphetamine and modafinil
- Hormone shifts such as those that precede menstruation and those during menopause
- Life problems like fear, stress, anxiety, emotional or mental tension, work problems, financial stress, unsatisfactory sex life
- Mental disorders such as clinical depression, schizophrenia, bipolar disorder, general anxiety disorder
- Disturbances of the circadian rhythm, such as shift work and jet lag, can cause an inability to sleep at some times of the day and excessive sleepiness at other times of the day. Jet lag is seen in people who travel through multiple time zones, as the time relative to the rising and setting of the sun no longer coincides with the body's internal concept of it. The insomnia experienced by shift workers is also a circadian rhythm sleep disorder.
- Certain neurological disorders, brain lesions, or a history of traumatic brain injury
- Medical conditions such as hyperthyroidism and Wilson's syndrome
- Abuse of over-the counter or prescription sleep aids can produce rebound insomnia
- Poor sleep hygiene
- Parasomnia, which includes a number of disruptive sleep events including nightmares, sleepwalking, violent behavior while sleeping, and REM behavior disorder, in which a person moves his/her physical body in response to events within his/her dreams
- A rare genetic condition can cause a prion-based, permanent and eventually fatal form of insomnia called fatal familial insomnia