Bogard builds an argument by using his personal beliefs to persuade his to audience. Bogard believes that darkness is essential to humans and nocturnal and crepuscular species. Bogard states that “Our bodies need darkness to produce the hormone melatonin which keeps certain cancer for developing”. The reason why it’s hard for human to get enough sleep is because the amount of light we intake at night. We need darkness to for sleep; sleeping disorders are linked to diabetes and depression. Humans need the darkness to stay healthy. Bogard believes that darkness is vital to animals because Ecological light pollution is substandard to many habitats and destroys ecosystems. Without darkness, many ecosystems would be terminated.
Darkness