According to experiments, they can't "sleep" in space

63 Across5 lettersFriday, 19 September 2025

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About this clue

This clue appeared in the NYT Crossword on Friday, 19 September 2025. The answer YOYOS is a 5-letter entry.

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What is the answer to "According to experiments, they can't "sleep" in space"?
YOYOS
How many letters is the answer to "According to experiments, they can't "sleep" in space"?
The answer has 5 letters.
When was this clue last seen?
This clue last appeared in the NYT Crossword crossword on .
Has this crossword clue appeared before?
Yes. Variations of this clue have appeared 1 other time.

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