Are you confusing that what time you should go to sleep when you’ve to wake up at certain time without dizziness or tired? Just select the time you want to wake up, this bedtime calculator sleepyti.me will shows you when you should go to sleep. As the page said, it works by counting backwards in sleep cycles.
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2 responses to “Bedtime Calculator”
Thank you. Very useful!
Yes, It is. :)