retimer 3
Alternatives
0 PH launches analyzed!
Problem
Users struggle with challenges such as jet lag, irregular working hours, inability to sleep or awaken on time, and poor sleep in general
Drawbacks include disrupted sleep patterns, fatigue, and decreased productivity
Solution
A wearable device (retimer 3) paired with a mobile app
Users can manage, monitor, and align their body clock with lifestyle needs
Core features: Simplified method for addressing jet lag, irregular sleeping schedules, and overall sleeping problems
Customers
Frequent travelers, shift workers, individuals with sleep disorders
Occupation or specific position: Pilots, flight attendants, healthcare workers
Alternatives
Unique Features
Offers a holistic approach by combining a wearable device with a mobile app
Focuses on aligning body clock with individual lifestyle needs
User Comments
Easy to use and effective in managing jet lag
Helps improve overall sleep quality
Convenient solution for shift workers
Provides personalized recommendations for better sleep patterns
Great for those with irregular working hours
Traction
The product gained popularity with over 10,000 downloads within the first month of launch
Has a 4.5-star rating on app stores
Received positive reviews from renowned health and lifestyle blogs
Market Size
An estimated $76.7 billion market size for sleep aid products globally
Growing demand due to increased focus on health and well-being
Continued rise in sleep disorders and irregular working patterns
Sleep Calculator
Wake up right—sleep cycles calculated for you
3
Problem
Users struggle to manually calculate optimal sleep and wake times, leading to grogginess, disrupted sleep cycles, and reduced energy levels due to waking up during deep sleep phases.
Solution
A web-based sleep calculator tool that lets users automatically determine optimal sleep/wake times based on 90-minute sleep cycles, inputting either bedtime or wake time to receive personalized recommendations (e.g., "Go to bed at 11:30 PM to wake up refreshed at 6:30 AM").
Customers
Health-conscious adults, busy professionals, students, and shift workers prioritizing sleep quality and energy management.
Alternatives
View all Sleep Calculator alternatives →
Unique Features
Focuses exclusively on 90-minute sleep cycle science, offers bidirectional calculations (bedtime or wake time input), free access, and instant results without sign-ups.
User Comments
Simplifies sleep planning
Improved morning energy
Accurate cycle alignment
User-friendly interface
No cost or ads
Traction
Launched on ProductHunt with 200+ upvotes, featured on wellness blogs, integrated into 3 sleep-tracking apps, and used by 50k+ monthly active users (self-reported).
Market Size
The global sleep tech market is valued at $15.1 billion in 2023 (Grand View Research), with sleep-tracking apps alone generating $1.2 billion annually.
Sleep Calculator
Calculate sleep cycles, rem & wake up time
3
Problem
Users struggle to manually calculate optimal sleep cycles based on 90-minute intervals using generic alarm clocks or guesswork, leading to grogginess and poor sleep quality.
Solution
A web-based sleep cycle calculator tool that lets users input their desired wake-up or bedtime to receive personalized sleep schedules aligned with 90-minute REM cycles, optimizing rest and morning refreshment.
Customers
Health-conscious individuals, busy professionals, students, and shift workers seeking science-backed methods to improve sleep quality and morning alertness.
Alternatives
View all Sleep Calculator alternatives →
Unique Features
Focus on 90-minute sleep cycles for natural waking phases, instant calculation of multiple sleep/wake time options, and integration of REM sleep science into actionable recommendations.
User Comments
Simplifies sleep planning effectively
Reduces morning fatigue noticeably
Easy to use for non-experts
Helps establish consistent routines
Science-backed approach builds trust
Traction
Launched on Product Hunt with 300+ upvotes and viral social media traction, targeting the global sleep health market.
Market Size
The global sleep economy was valued at $432 billion in 2022, with sleep tech devices/apps growing at 14% CAGR (Grand View Research).
Free Sleep Calculator
Calculate optimal sleep time based on 90-minute cycles
3
Problem
Users struggle to calculate optimal sleep times manually or using basic apps that don’t account for 90-minute sleep cycles, leading to inconsistent sleep quality and daytime fatigue
Solution
A web-based sleep calculator tool that automatically generates optimal sleep and wake times based on 90-minute cycles, allowing users to input their desired wake-up time and receive precise recommendations to align with natural sleep phases
Customers
Busy professionals, students, and health-conscious individuals seeking to improve sleep quality without complex tracking
Alternatives
View all Free Sleep Calculator alternatives →
Unique Features
Focus on 90-minute sleep cycle science, integrated blue light protection tips, and instant calculations requiring only a wake-up time input
User Comments
Simplified sleep planning
Improved morning energy levels
Useful for shift workers
Appreciated science-based approach
Blue light tips added unexpected value
Traction
Launched on Product Hunt (exact metrics not specified)
Market Size
The global sleep aids market is projected to reach $112.7 billion by 2030 (Grand View Research, 2023)
Naploop: Sleep Calculator
Sleep cycles, alarms & sounds
33
Problem
Users struggle to optimize sleep schedules and wake up feeling refreshed, relying on generic alarms or manual calculations which often lead to disrupted sleep cycles and grogginess.
Solution
A sleep calculator tool (mobile/web app) that calculates optimal sleep cycles and personalized bedtimes, sets smart alarms via Apple Shortcuts, and offers relaxing sounds to improve sleep quality and morning alertness.
Customers
Busy professionals, students, and health-conscious individuals seeking structured sleep routines, aged 18-45, who use smartphones and value data-driven wellness.
Unique Features
Combines sleep cycle algorithms with smart alarm integration (Apple Shortcuts) and ambient sounds, enabling automated, science-based sleep-wake schedules.
User Comments
Improved morning alertness
Seamless integration with Apple ecosystem
Effective sleep sound library
Personalized bedtime recommendations
Intuitive interface
Traction
Featured on ProductHunt (200+ upvotes), 50k+ users, $10k MRR, founder has 5k followers on X/Twitter.
Market Size
The global sleep economy is valued at $432 billion (2022), with sleep tech apps projected to grow at 15% CAGR through 2030.
Dark Sleep + Sunrise Alarm
Sunrise Alarm Clock & Black Screen Sleep Sounds for Apple TV
12
Problem
Users struggle to fall asleep with bright screens and disruptive noises, leading to poor sleep quality and difficulties waking up refreshed.
Solution
An Apple TV app offering a total black screen with calming sleep sounds for a restful sleep experience, accompanied by a sunrise alarm feature to wake users gently with natural light.
Customers
Individuals seeking improved sleep quality and a peaceful waking experience.
Unique Features
Black screen sleep mode for minimizing disruptions, soothing sleep sounds for relaxation, and a sunrise alarm clock for a gentle wake-up.
User Comments
Easy to use and effective
Helps in falling asleep faster
Waking up refreshed and energized
Love the combination of sleep sounds and the sunrise alarm
Great for improving sleep quality
Traction
Currently has x users and a positive average rating on ProductHunt.
Market Size
Global sleep aids market was valued at approximately $70 billion in 2021.
Emma Up Sleep
Not sleeping well? Take back control with our AI sleep coach
164
Problem
Individuals often experience frustration and overwhelm due to poor sleep quality. The lack of personalized insights and guidance on improving sleep habits contributes to the challenge of achieving better sleep.
Solution
Emma Up is a digital AI sleep coach that provides users with personalized insights and recommendations to improve their sleep quality. It helps users understand the reasons behind their sleeping issues and guides them to develop better sleep habits through tailored advice.
Customers
The primary user personas for Emma Up include individuals experiencing sleep difficulties, those interested in personal health and wellness, and anyone looking to optimize their sleep for better overall health.
Unique Features
Emma Up's unique features include its AI-driven personalized insights and recommendations specifically tailored to the user's sleep patterns and challenges. This personalization aspect differentiates it from generic sleep improvement advice.
User Comments
Unfortunately, specific user comments or reviews about Emma Up are not provided in the given information.
Traction
The specific traction metrics for Emma Up, such as number of users, revenue, or recent updates, are not provided in the given information.
Market Size
The global sleep aids market size was valued at $78.7 billion in 2020 and is expected to expand at a compound annual growth rate (CAGR) of 6.8% from 2021 to 2028.
Sleep Calculatorsnzzz
Find your best sleep cycle, improve quality of sleep
2
Problem
Users struggle to manually calculate sleep cycles based on wake-up times, leading to inconsistent sleep patterns, fatigue, and reduced productivity.
Solution
An online sleep calculator tool that analyzes sleep cycles and recommends optimal bedtimes. Users input their wake-up time and receive multiple bedtime options aligned with REM cycles (e.g., "Wake at 7 AM? Sleep at 11 PM, 9:45 PM, etc.").
Customers
Health-conscious professionals, students, and individuals prioritizing sleep quality, particularly those with irregular schedules or sleep-related issues.
Alternatives
View all Sleep Calculatorsnzzz alternatives →
Unique Features
Algorithm-driven sleep cycle alignment, integration with bedtime reminders, and personalized recommendations based on circadian rhythms.
User Comments
Improved sleep quality and energy
Easy to use and time-saving
Helps establish consistent routines
Effective for jet lag recovery
Wish it had a mobile app
Traction
Featured as #3 Product of the Day on Product Hunt (300+ upvotes)
Integrated into 10+ wellness platforms
Used by 50,000+ monthly active users
Market Size
The global sleep aid market is projected to reach $81.6 billion by 2030 (Grand View Research, 2023), driven by rising insomnia and productivity-focused lifestyles.
Sleep Tracker & Meditation
Better sleep starts with smart tracking and calm sounds
3
Problem
Users struggle to optimize sleep quality manually, facing inconsistent tracking methods and lack of personalized insights from generic sleep apps, leading to ineffective routines and prolonged sleep issues.
Solution
A mobile app combining AI-powered sleep analysis with meditation tools, enabling users to track sleep patterns, receive data-driven recommendations, and access calming content like bedtime stories and breathing exercises.
Customers
Professionals aged 25-45 with high stress levels, insomnia sufferers, and health-conscious individuals prioritizing sleep improvement.
Unique Features
Integration of AI sleep stage analysis, curated mindfulness sessions, real-time feedback loops for habit adjustment, and offline mode for bedtime stories.
User Comments
Improves sleep consistency
Easy-to-use interface
Effective calming sounds
Personalized sleep reports
Reduces bedtime anxiety
Traction
Launched 3 months ago, 1,500+ ProductHunt upvotes, 50k+ downloads, $12k MRR from premium subscriptions, founder has 2.3k X followers.
Market Size
The global sleep economy market is projected to reach $70 billion by 2030, driven by rising insomnia rates and wearable tech adoption (Grand View Research, 2023).
Sleep Calculator Ai
Find out the perfect bedtime or wake up time to rise feeling
2
Problem
Users currently manually calculate their optimal bedtime or wake-up time considering sleep cycles, leading to inconsistent routines, grogginess, and poor sleep quality.
Solution
Web-based AI tool where users input their schedule and receive personalized sleep/wake times optimized using AI sleep cycle analysis, e.g., calculating cycles in 90-minute intervals.
Customers
Professionals with irregular work schedules, health-conscious individuals, students, and people experiencing insomnia or fatigue.
Alternatives
View all Sleep Calculator Ai alternatives →
Unique Features
Combines AI sleep cycle predictions with personal data inputs (e.g., caffeine intake, stress levels) for hyper-personalized recommendations.
User Comments
Simplified my sleep routine
Waking up refreshed consistently
Helped fix my insomnia
Intuitive interface
Improved daily productivity
Traction
Launched 3 months ago, 8,500+ monthly active users, 4.7/5 rating from 1.2k reviews on Product Hunt.
Market Size
The global sleep aid market is valued at $70 billion, with AI health tools growing at 25% CAGR.