longest someone has gone without sleep
Matthew Wilson
Updated on August 08, 2026
The longest recorded time without sleep is approximately 264 hours, or just over 11 consecutive days. Although it’s unclear exactly how long humans can survive without sleep, it isn’t long before the effects of sleep deprivation start to show. After only three or four nights without sleep, you can start to hallucinate.
What is the longest someone has not slept for?
The longest time a human being has gone without sleep is 11 days and 25 minutes. The world record was set by American 17-year-old Randy Gardner in 1963.
Can you go 48 hours without sleep?
After going without sleep for 48 hours, a person’s cognitive performance will worsen, and they will become very fatigued. At this point, the brain will start entering brief periods of complete unconsciousness, also known as microsleep.
What is the world record for not sleeping 2021?
Randy Gardner made history when he went 11 days without sleep for a high school science project.
What is the longest someone has slept?
In October of 2017, Wyatt Shaw from Kentucky fell asleep for 11 days. He was just seven years old and doctors ran several tests with no conclusive explanations.
How long is the longest FaceTime call?
The longest FaceTime call was 88 hours 53 minutes and 20 seconds.
Can you pull an all nighter?
Staying up all night should never be thought of as positive or beneficial and should be avoided. Even in circumstances when pulling an all-nighter seems like it could help, such as to give you extra time to study or work, it’s still typically a bad idea.
Can you sleep for 24 hours?
There have documented cases of people having as dramatic as 72 hour cycles, in which they would stay awake for 48 straight hours, and then sleep for 24 straight hours as a regular sleeping pattern. There are only a few known dramatic cases such as that though, and most cases fall within the 25 or 26 hour range.
Is 2 hours sleep better than none?
Ideally, you should try to get more than 90 minutes of sleep. Sleeping between 90 and 110 minutes gives your body time to complete one full sleep cycle and can minimize grogginess when you wake. But any sleep is better than not at all — even if it’s a 20-minute nap.
How long did Randy Gardner sleep?
After completing his record, Gardner slept for 14 hours and 40 minutes, awoke naturally around 8:40 p.m., and stayed awake until about 7:30 p.m. the next day, when he slept an additional ten and a half hours.
Will your body force you to sleep?
Will your body eventually force you to sleep? Yes, if you haven’t had enough sleep, you will fall asleep.
How long do soldiers go without sleep?
The Standing Operating Procedures for Land Operations states that soldiers are expected to remain effective for physical tasks for up to three days—72 hours— without sleep.
How long can a human sleep?
In terms of normal healthy sleep, the answer seems to be about 20-30 hours. There are two conditions under which people have been found to sleep for this long: After going continuously without sleep for several days, people have been seen to sleep for up to 21 h.
What is the world record for not blinking for a kid?
The record for spending the longest time without blinking the eyes was set by K. Krishith Kumar (born on December 24, 2014) of Kumbakonam, Tamil Nadu. He spent 14 minutes and 42 seconds without blinking his eyes at the age of 6 years, 9 months and 15 days, as confirmed on October 8, 2021.
How long is longest kiss?
And it wouldn’t be Valentine’s Day without a big ol’ smooch. The longest kiss lasted 58 hours, 35 minutes and 58 seconds, achieved by Ekkachai Tiranarat and Laksana Tiranarat (both Thailand) at an event organized by Ripley’s Believe It or Not!
What is the longest FaceTime call in 2020?
Alexis and Caitlin chatted on FaceTime for 88 hours, 53 minutes, 20.00 seconds.
Is it normal to sleep 14 hours?
Idiopathic Hypersomnia
With this disorder, you may sleep as much as 14 to 18 hours a day. For treatment, doctors often prescribe medications similar to what is prescribed for narcolepsy.