Category Archives: Body

Symptoms of dehydration and how to prevent it

7 min read

Water is one of the most important building blocks of the body Water makes up 60% to 70% of an adult’s body weight and as much as 80% in a child. Dehydration sets in when the body uses up more water than we give it. The most common causes of dehydration are physical exertion, illness, and high… Read More »

How long can you go without sleep? What is the record?

8 min read

The best-studied case of prolonged sleep deprivation A well-documented case of a long period without sleep (described by Gulevich G, Dement W and Johnson L in the paper “Psychiatric and EEG observations on a case of prolonged (264 hours) wakefulness“) is that of 17-year-old Randy Gardner from California, who in 1964 asked himself: how long… Read More »