Medical News Today: The effects of going more than 24 hours without sleep

It is not clear how long a person can go without sleep, but in a famous 1964 experiment, a person managed to stay awake for 264 hours. Sleep deprivation can negatively affect energy levels, mood, and cognitive functioning. In the long term, it can increase a person's risk of several chronic conditions. Learn more here.
Source: Health News from Medical News Today - Category: Consumer Health News Tags: Sleep / Sleep Disorders / Insomnia Source Type: news