Substance

Alcohol

Introduction Alcohol is without a doubt a necessary addition to the lifestyle of many in the world. This is thanks to its long history of […]

Other Substances

Introduction This page contains information on less popular substances that polyphasic sleepers occasionally use. However, there is currently no definitive evidence on how much and […]

Melatonin

Introduction Melatonin was discovered in 1958 by dermatologist Aaron Lerner1. It is also known as Circadin and Slenyto by its common trade names or chemical name […]

Caffeine Consumption

Introduction Caffeine is undoubtedly one of the most popular beverages in the world. There are in fact reasons why you would love caffeine as well. […]