At that point, the record belonged to a professional stuntman named robert mcdonald, who went an agonizing 18 days, 21 hours, and 40 minutes without sleeping in 1986. He volunteered for an experiment during high school in san diego, california, to. The “right” amount of sleep proves somewhat individual as some people will feel great on seven hours and others may need a little longer.
Randy gardner's record for the longest time without sleep, achieved in 1964, involved staying awake for 264.4 hours, roughly 11 days. This endeavour, conducted for a high school science. Garder ultimately stayed awake for 264.4 hours, or 11 whole days.
However, once beating the existing world record for longest time spent without sleep, gardner wasn't able to. How long can someone sleep for? Randy gardner was the person who went the longest documented stretch of time without sleep. The longest time a person has slept without interruption is believed to be 264 hours, or 11 consecutive days.
Speaking to npr, gardner said: He didn’t go back to sleep. In 1965, a california high school student named randy gardner stayed awake for 264.4 hours (11 days), breaking the guinness world record at the time for the longest a. Kaye never slept for more than 90 minutes at a time so she could read to her daughter, play music, talk to her and turn her from side to side every two hours to help prevent.
While there have been various reports of individuals sleeping for extended periods, the longest recorded time someone has slept is an astonishing 11 days and 25 minutes.