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.
With appropriate treatment, postpartum depression usually goes away within six months. In some cases, postpartum depression lasts much longer, becoming chronic depression. It's important to continue treatment after you begin to feel better. Stopping treatment too early may lead to a relapse.