An event for which one has to forgo their longest stretch of sleep

Answer of Word Craze An event for which one has to forgo their longest stretch of sleep

This is a tricky question of Word Craze which last appeared on Level 1546. Meanings or answers can change from time to time with each game update if you noticed a change on the answer of this clue please do let us know by commenting below so we can fix it A.S.A.P.
The solution below is:

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