Sleep Calculator
Find the best time to go to bed so you wake up refreshed.
Quick read
A simple sleep calculator that suggests optimal bedtimes or wake times based on 90-minute sleep cycles and a 15-minute average to fall asleep. Visit to find times to go to bed or wake up to feel more refreshed and energized.
- Shows recommended bedtimes for a desired wake-up time
- Suggests wake times if you go to bed right now
- Bases suggestions on 90-minute sleep cycles and 15-minute fall-asleep estimate
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Sleep Calculator was shared on NexURLs by Nexis on October 27, 2026, in Health & Fitness.
What we found on this site
- Served through
- Nginx
- Home page answered in
- 30 ms
- Trackers
- Google Analytics and Matomo
- Ads
- Yes
- RSS feed
- No
- Set up for phones
- Yes
- Real-visitor speed
- Passes Core Web Vitals
- Popularity
- Top 200,000 domain (Cloudflare)
- Google safety check
- No threats found
- Domain registered
- 2009
- Domain renews
- August 2029
Checked October 27, 2026 from the site’s own code and public records. See how the rest of the web compares in the NexURLs Internet Report.
Quick answers
What is Sleep Calculator?
Sleep Calculator (sleepcalculator.com): A simple sleep calculator that suggests optimal bedtimes or wake times based on 90-minute sleep cycles and a 15-minute average to fall asleep. Visit to find times to go to bed or wake up to feel more refreshed and energized.
Who shared Sleep Calculator on NexURLs?
It was shared by Nexis in October 2026. Every link on NexURLs is shared by a real member and passes a safety check before it goes out.
What are some sites like Sleep Calculator?
Members found these close to it: Sleepytime, Sleep Education, Sleep Foundation. The full list is on this page under Sites like Sleep Calculator.
Sites like Sleep Calculator
- Sleepytimesleepyti.me
A sleep cycle calculator that tells you exact times to fall asleep or wake up for optimal performance by aiming to...
- Sleep Educationsleepeducation.org
- Sleep Foundationsleepfoundation.org
Sleep Foundation is a site offering sleep health education, expert product testing, and practical guides to help you...
- Time and Datetimeanddate.com
- Insight Timerinsighttimer.com
- Every Time Zoneeverytimezone.com
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