The average is around 3-4 days, anyone who manages longer is either almost certainly lying, or they are likely experiencing spells of microsleep without even realising it.
Certainly there are drugs such as caffeine, cocaine and amphetamines that keep you awake, but these cannot sustain you for very long. The longest in the Guinness book of world record is 11 days without sleep.
For as long as he/her can go without food, water, and sleep.
Most people can survive for around 11 days without sleep, but extended periods of sleep deprivation can lead to serious health consequences such as cognitive impairment, mood swings, and even hallucinations. It is crucial to prioritize and maintain healthy sleep habits for overall well-being.
not that long
Like breathing, sleep is a fundamental human requirement. It has even been said that one could survive for three times as long without food as one could without sleep. One of the better known experiments on this subject, found that depriving rats entirely of sleep resulted in their death, or near-dying state, within 11-32 days.
a lot
Because you don't touch it and it goes to sleep. You can change how long it waits to go to sleep on the settings.
some animals that can survive the winter and not the summer go for long summer sleep.
Sleep problems
I would say without irreversible health problems 10 days maximum.
10 days.
set a timer when you go to sleep and when you wake up check it
coma