Ashwagandha, popularly known as the Indian ginseng has been used in traditional Ayurveda medicines for over 3000 years. This is a native shrub of the Indian subcontinent. This superfood helps in better sleep, good memory, vitality and has many more benefits. Ashwagandha roots have been found to be highly beneficial in modulation of serotonin receptors which regulate mood and sleep in the human body.