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Sleep Cycle Calculator

Estimate complete 90-minute sleep cycles.

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Calculator Details

CategoryHealth

Inputs1

UseFree

RunsIn your browser

Before You Calculate

Confirm the value for Available sleep time (hours).

Why You Can Trust It

Calculations run instantly in your browser. Your entries aren't sent to or stored on a server.

Written By

Robert Threadgill
Founder

Founder of Simple Calculator Tools. Builds and tests every calculator on this site personally before publishing.

Available sleep time (hours)

Result

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