With natural nootropics and adaptogens like ashwagandha, the longer you take them for the better the full effects on things like stress and sleep quality.  As you can see from our customer reviews, Ten PM products are loved and work extremely well for many many people who suffer from anxiety and sleep related issues.  However, as we are sure you understand, sadly no product works 100% of the time for 100% of people.  If you have any specific questions or if we can help further with assisting you to decide which product(s) to try, please drop us an email  at info@tenpm.co