Melatonin is very interesting because it is believed that all living things (bacteria, fungi, etc) have it [1]. Calling it a "sleep aid" is somewhat off because in humans and other animals it is compound heavily involved in modulating circadian rhythms. It is not a "drug". And a little personal anecdote about it: I have gone through a period of bad sleep and depression and was taking melotonin to help with sleep. On…
I wonder about the dosage you might’ve been taking. Many, many people take much more than needed, and higher doses are more likely to have adverse effects. 250-300 µg is an appropriate dosage for most adults. Note that common over-the-counter dosages are 10 to 25 mg. There is a Cochran collaboration meta-analysis supporting this. I work in a pharmacy school in the US. One of my colleagues told me a funny anecdote abo…
I have been reading a book about biological effects of daylight and how little sun a modern person is exposed to on a daily basis. There has been more research on the topic, especially since a recent research on receptors in the eye responsible for detecting gradual changes in daylight (ipRGCs). Spending more time in the daylight might be a better way to self-medicate.