The longest that a human has stayed awake is just short of 11 days, so theoretically staying awake for eight days is doable. However it is not healthy and you should not attempt it.
A man can do eight days without sleep by sleeping at night. The question is a riddle implying that while he may go without sleep during the day, he can still rest at night. Thus, he manages to stay awake for eight consecutive days while getting the necessary sleep during the nighttime hours.
A person can go eight days without sleep by sleeping at night. The phrasing of the question suggests a trick; if someone sleeps during the day and stays awake at night, they can go eight days without sleeping at night. However, it's important to note that prolonged sleep deprivation can have serious health consequences.
He sleeps at night
World records for days without sleep have surpassed 10 days. Theoretically, one does not need sleep, but will function less effectively without the "recharge" it provides to the body and mind.
People can only go without sleep for about two days. Then they just have to fall asleep. Ive stayed up 4 days straight.
It depends on the persons body and how it reacts to the loss of sleep
10 days.
It is perfectly fine to go eight hours without eating. In fact, researchers are finding evidence that the human body works at maximum efficiencywhen one only eats 5 days a week. Humans are able to live three weeks without eating. Also, don't you sleep for eight hours, generally? You don't eat when you sleep, do you?...
Not from going without sleep. The alcohol will eventually kill you, though.
8 days
sleep at night
sleep at night