It could be the cause your insomnia if you are suffering from mild depression. And if you're looking for a natural way to treat such sleeping problem then you may want to try St. John's Wort. St. John's Wort is one of the natural sleep aid that has become popular. This has been widely used to treat mild to moderate depression. St. John's Wort is even prescribed by doctors in several European countries to treat depression.

However, it is recommended to consult a doctor first for any advice before taking any remedies either it natural or a prescribed one. Although it's a natural remedy but it may not be the right kind for you.