I came across an interesting article (Sleep and Anxiety) showing the many connections between sleep quality and anxiety. It has been put together by a mattress company but has a lot of valuable information. It touches on many aspects of anxiety from social anxiety to Generalized Anxiety Disorder (GAD) and both natural sleep aids and prescription medication.
I would like to mention that medications are often used to induce sleep as mentioned in this article but, in my opinion, using natural methods to bring the body into the sleep zone are more useful in the long run and avoid the dependence that so frequently occurs when a person starts using sleep medication.
I am a firm believer that prioritizing an effective sleep routine for ones-self will have huge health benefits and lead to a happier life.