Two of the most popular dietary supplements used for insomnia are: 1  Melatonin, a hormone produced by the brain. You can also buy it as a supplement. 2  Valerian, an herbal sleep remedy. Valerian appears to be safe, and it may improve sleep when taken for a week or two.
The average spell of clinical depression, if left entirely untreated, will last around 8 months. During a depression, the sufferer will normally be convinced that it will never go away, but this is a classic feature of the way depression makes us think.
One of the symptoms of a mood disorder is called anhedonia, which means: Mood disorders can range from mild to severe; the most severe type of depression is called: Most episodes of major depression are time-limited, i.e., lasting up to 3333, although about 10% last as long as two years.