Daan van der Werf

The inventor of the world's first night sweat measuring instrument called Q-Strip. With a history in electrical engineering and a passion for new techniques, programming and going "out of the box".A writer of NLT certified teaching materials in the Netherlands for all students of havo & vwo level. Does research on this phenotypic digital biomarker under validation with universities, medical doctors, researchers, individuals and sleep institutes.The teaching material created by the author has a renewed value in science in how we humans sweat during sleep in days or weeks to months. Prolonged withdrawals are not "normal."  Therefore, the data shows us this....The author has made this teaching material available in an Open Source format. This means that anyone can create an open source DIY Q-Strip provided no commercial intentions are formed. The initial purpose of publishing this invention is to help humanity in the broadest sense of the word. Quality another level