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.
The Great Depression lasted from 1929-1939. What caused the Great Depression, the worst economic depression in the history of the United States? The truth is that is not possible to point to just one factor. Instead a combination of domestic and worldwide conditions led to the Great Depression.