* [[Nightmares]]
== Causes and Symptoms ==
Insomnia can be caused by physical and psychological factors. There is sometimes an underlying medical condition that causes chronic insomnia, while transient insomnia may be due to a recent event or occurrence. Insomnia is commonly caused by:* [[Stress]]and [[anxiety]] may cause sleeping problems or make existing problems worse. And having an anxiety disorder exacerbates the problem.* Low levels of vitamin D may be to blame for some cases of Disruptions in circadian rhythm - jet lag, job shift changes, high altitudes, environmental noise, extreme heat or cold.*Psychological issues - bipolar disorder, depression, anxiety disorders, or psychotic disorders.*Medical conditions - chronic sleepinesspain, chronic fatigue syndrome, congestive heart failure, angina, acid-reflux disease (GERD), chronic obstructive pulmonary disease, asthma, sleep apnea, Parkinson's and Alzheimer's diseases, hyperthyroidism, arthritis, brain lesions, tumors, stroke.*Hormones - estrogen, hormone shifts during menstruation.*Other factors - sleeping next to a snoring partner, parasites, genetic conditions, overactive mind, pregnancy.
== Home remedies ==