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.
How long you have it will also depend on the type of depression you have, how severe the condition is, and how you are being treated. Without treatment, some people may have depression for months, or even years. Major depression (sometimes called clinical depression) lasts for at least two weeks, and will often continue for four to nine months if not treated. Dysthymia is a chronic state of depression that lasts for at least two years. Many people with dysthymia feel depressed for much longer if not treated. The good news is that treatments are available to help you recover sooner.