Life & fun · alternatives · 2026

24 alternatives to REM SLEEP CYCLE CALCULATOR - Your health

Your Health, Understood

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1
Free Sleep Calculator▲6
Free sleep calculator and sleep cycle calculator to find your optimal bedtime and wake-up time. Calculate your REM sleep cycles for better rest and energy
2025 · sleepcalculators.org · its alternatives →
2
Sleep Cycle Calculator▲13
Find your perfect bedtime & wake time
2025 · navi-resources.com · its alternatives →
3
I'm Sleepy▲120
Bedtime sleep calculator for better mornings
2023 · sleepy.im · its alternatives →
4
Sleep Time Optimizer▲2
Your Personal Sleep Calculator
Jul 2026 · sleeptimeoptimizer.com · its alternatives →
5
Sleep Time Calculator▲12
Calculate Your Bed Time
2024 · its alternatives →
6
DozeBetter▲5
Smart sleep calculator | optimize your sleep cycles
2025 · dozebetter.com · its alternatives →
7
Sleep Cycle By Age▲2
A sleep cycle calculator based on your age
Jun 2026 · sleepcyclebyage.com · its alternatives →
8IM
I'm 15 and made a bedtime calculator with React JavaScript▲312
2020 · sleepsources.com · its alternatives →
9
Sleep Calculator▲7
I built Sleep Calculator to help people improve sleep quality by aligning with natural 90-minute sleep cycles. You can either: Enter your desired wake-up time to get ideal times to fall asleep, or Enter your bedtime to find optimal wake-up times.
2025 · openmagic-data.com · its alternatives →
10
Sleep Cycle▲1
“Track your cycles, optimize your mornings.”
Feb 2026 · calculatortoolnation.com · its alternatives →
11
Best Time For Bed▲2
Find your perfect bedtime based on 90-minute sleep cycles
May 2026 · besttimeforbed.com · its alternatives →
12
Bed Time Calculator - Wake Up Refreshed▲4
Calculate when you should go to sleep based on REM cycles.
2020 · sleepsources.com · its alternatives →
13
SleepCalc▲1
Free sleep calculator finds your perfect bedtime
Mar 2026 · its alternatives →
14
Sleep Formula▲139
App to improve your sleep using CBT & sleep tracking
2021 · apps.apple.com · its alternatives →
15
Sleep Cycle Calculator by ShutEye▲4
Best Time to Go to Bed and Wake Up
2022 · shuteye.ai · its alternatives →
16
Sleep Time Calculator
No more groggy mornings
May 2026 · yoursleeptimes.com · its alternatives →
17
SleepCalculators.net▲6
Free sleep tools to help you wake up refreshed
2025 · sleepcalculators.net · its alternatives →
18
Sleep Calculator: sleepycal.com▲2
Find your ideal bedtime and wake up time.
2024 · its alternatives →
19
Wakeout 2.0▲142
250+ energizing exercises you do anywhere in 3 min or less
2018 · apps.apple.com · its alternatives →
20
Sleep Tracker▲79
Control your sleep, have more health with this template
2023 · juliotrois.gumroad.com · its alternatives →
21
Free Sleep Calculator Tool By ShutEye▲5
Sleep Tracking App to Monitor Your Sleep Cycle
2024 · shuteye.ai · its alternatives →
22
Sleep Calculator UK▲1
Calculate your ideal sleep and wake times — no signup.
Aug 2026 · sleepcalculator.org.uk · its alternatives →
23
Sleep Calculator ForYour Perfect Bedtime
Wake up refreshed with science-backed sleep cycles timing
Apr 2026 · sleepcalculator.vip · its alternatives →
24
Sleep Calculator▲9
Would you like to wake up feeling more energetic? Sleep Calculator will show you the best time to sleep or wake up for a refreshed start to your day.
2025 · sleepcalculators.com · its alternatives →

Also compare

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →