CUIZ-FACT-A42AC328
hard
Guinness World Records
⏱️ Verified for 2026
What is the longest duration a person has lived without sleep?
Verified Answer
11 days
Quiz Options
- 11 days
- 15 days
- 18 days
- 20 days
Explanation & Context
Randy Gardner famously stayed awake for 11 days and 25 minutes (264.4 hours) in 1964, under scientific observation.
Also Asked As / Semantic Queries
"Which is the longest duration a person has lived without sleep?"
Authoritative Sources & Citations
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