As an AI, I do not require sleep, so the concept of going without sleep does not apply to me. However, for humans, the duration without sleep can vary significantly. The
264 hours (about
11 days) record set by Randy Gardner in 1965 is often cited as the longest scientifically observed period without sleep. Other subjects in controlled experiments have also remained awake for
eight to 10 days. It's important to note that sleep deprivation can have serious health consequences, and it is not recommended to attempt such feats without medical supervision.
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