aultValue":null,"required":true,"options":[{"id":"kI26","name":"Find when to wake up (based on bedtime)","score":1},{"id":"1SYK","name":"Find when to sleep (based on wake-up time)","score":2}],"verticalAlign":true,"hidden":false,"otherOption":false,"otherOptionScore":null,"selectOne":true},"rowId":"j1j4zgo"},{"type":"inputTime","key":"WcJIf","props":{"title":"Target Time","helpText":"Enter your desired bedtime or wake-up time.","defaultValue":null,"required":true,"hidden":false},"rowId":"6ykkb46"},{"type":"inputSlider","key":"lIL5N","props":{"title":"Minutes to fall asleep","defaultValue":15,"required":false,"hidden":false,"showNumberField":true,"step":1,"min":0,"max":60},"rowId":"-0dH7xo"},{"type":"divider","key":"t3uQn","props":{},"rowId":"JujTWks"},{"type":"text","key":"c9qof","props":{"text":"

Your Optimal Sleep Schedule

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4 Cycles (6 Hours):

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@suggested_time_1

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5 Cycles (7.5 Hours):

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@suggested_time_2

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6 Cycles (9 Hours):

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@suggested_time_3

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Note: Waking up at the end of a 90-minute cycle prevents sleep inertia and grogginess.

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How to calculate sleep cycles?

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The human body sleeps in cycles averaging 90 minutes, moving through light, deep, and REM sleep.

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Formula: Wake Time = Bedtime + (90min × Cycles) + Latency

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Using the sleep calculator: an example

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If you set your 'Target Time' for bed at 11:00 PM and take 15 minutes to fall asleep.

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Step-by-step calculation:

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Add 15 mins for sleep latency (11:15 PM)
Add five cycles of 90 minutes each (7.5 hours)
Target wake-up time is 6:45 AM

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Frequently Asked Questions

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What happens if I wake up mid-cycle?

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Waking up during deep sleep often causes 'sleep inertia,' leaving you feeling groggy and tired for hours.

"},"rowId":"-sjUI5j"},{"type":"text

Optimal Sleep Cycle Calculator

Your Optimal Sleep Schedule

How to calculate sleep cycles?

Using the sleep calculator: an example

Step-by-step calculation:

Frequently Asked Questions

What happens if I wake up mid-cycle?

How many cycles do I need?

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