February 2025

The Best Sleep Tracker for Apple Watch – Smarter Sleep, Better Mornings

Track your sleep effortlessly with the best sleep tracker for Apple Watch. Get insights, optimize rest, and wake up refreshed every morning.

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Rated 4.8/5 stars with 30,000+ reviews

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Tired of waking up exhausted? You’re not alone. Most of us don’t get the quality sleep we need, and figuring out why can feel impossible. That’s where a sleep tracker for Apple Watch comes in, giving you the data and insights to understand your sleep patterns, build better habits, and wake up feeling refreshed.

No clunky devices. No complicated setups. Just simple, effective sleep tracking, right from your wrist.

Ozlo Sleepbuds®

A smart sleep solution designed to work alongside traditional sleep trackers. Ozlo Sleepbuds® don’t just block noise - they also monitor your sleep environment, detecting changes in sound, temperature, and light that might affect your rest. Unlike wearable sleep trackers that only monitor movement, these earbuds provide real-time insights into your sleep quality while delivering noise-masking audio for a quiet night.

Built for comfort, Ozlo Sleepbuds® feature ultra-soft silicone tips that adapt to your ear shape, staying secure even for side sleepers. With 10 hours of battery life and additional charges from the Smart Case, they last through the night. Sync with the Ozlo Sleep app for detailed sleep reports and wake up feeling refreshed.

Key Highlights:

  • Integrated sleep tracking with environmental and biometric sensors
  • Ultra-lightweight, ergonomic design for all-night comfort
  • 10-hour battery life with backup charges from the Smart Case
  • Passive noise blocking combined with soothing sleep sounds
  • Personal wake-up alarm that won’t disturb your partner

Who it’s best for:

  • People who want more than just movement-based sleep tracking
  • Those sensitive to noise who need a quiet sleep environment
  • Side sleepers needing a snug, all-night fit
  • Apple Watch users looking for enhanced sleep data

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1. Sleepzy – Sleep Tracker & Smart Alarm

Sleepzy is an app designed to monitor sleep patterns and provide users with insights into their sleep quality. It tracks sleep behavior, detects potential sleep deficits, and offers statistics on sleep trends. The app includes a smart alarm feature that aims to wake users at an optimal moment in their sleep cycle. Sleepzy can sync with Apple Music for a customized wake-up experience and integrates with Apple Health to track sleep information.

The app includes features for relaxation before sleep, such as ambient sounds and AI-generated music. Users can also access additional insights through a premium subscription, which includes snore detection, expanded sleep tracking, and breathing techniques. The Apple Watch integration provides on-wrist monitoring, displaying sleep data directly on the device. Sleep tracking results may be affected by movement and noise from pets or partners.

Key Highlights:

  • Tracks sleep behavior, duration, and trends
  • Smart alarm wakes users during a light sleep phase
  • Syncs with Apple Music for a personalized alarm
  • Provides insights on sleep deficits and trends
  • Includes relaxation sounds and AI-generated music
  • Apple Watch compatibility for on-wrist sleep monitoring
  • Apple Health integration for data synchronization
  • Optional premium features like snore detection and breathing techniques

Who It’s Best For:

  • Users looking for a smart alarm that aligns with sleep cycles
  • Individuals who want to track sleep patterns and trends
  • Those interested in integrating sleep data with Apple Health
  • People who prefer audio relaxation tools before bedtime
  • Apple Watch users seeking on-wrist sleep tracking
  • Anyone looking for additional sleep insights through a mobile app

2. Sleep Cycle – Tracker & Sounds

Sleep Cycle is a sleep tracking app that monitors sleep patterns using sound analysis. It records snoring, sleep talking, and other nighttime sounds while analyzing sleep phases. The app features a smart alarm designed to wake users during a lighter sleep stage. It also presents long-term sleep trends, giving users a view of their tracked sleep patterns.

The app integrates with Apple Health to sync sleep data and heart rate information. Additional features include sleep notes for tracking lifestyle habits, weather comparisons to examine environmental impacts, and a library of sleep sounds and relaxation guides. Users can export sleep data for further analysis and set customizable wake-up windows. The app does not require additional hardware and functions by placing the phone on a nightstand or nearby surface.

Key Highlights:

  • Tracks sleep patterns using sound-based analysis
  • Records snoring, sleep talking, and coughing sounds
  • Smart alarm wakes users in a light sleep phase
  • Integrates with Apple Health for sleep and heart rate data
  • Provides sleep trend analysis and detailed reports
  • Includes a sleep aid library with relaxation sounds and guides
  • Customizable wake-up window up to 45 minutes
  • Offers data export for further analysis
  • Optional Philips Hue integration for gradual light-based wake-up

Who It’s Best For:

  • Users interested in tracking sleep patterns and long-term trends
  • Those looking for a smart alarm that adapts to sleep cycles
  • Individuals who want to analyze snoring, coughing, or sleep talking
  • People who prefer non-wearable sleep tracking solutions
  • Apple Health users seeking seamless sleep data integration
  • Those who use relaxation sounds or guided sleep aids before bed

3. AutoSleep – Sleep Tracker

AutoSleep is a sleep tracking app designed for Apple Watch users. It automatically records sleep duration and quality without requiring manual input. The app detects when a user falls asleep and wakes up by analyzing movement and heart rate data. Users who wear their Apple Watch overnight receive sleep tracking summaries, including estimated sleep patterns and heart rate changes. Those who do not wear their watch can still track sleep duration by checking their device upon waking.

The app provides various sleep metrics, including estimated deep sleep tracking, sleep consistency, and general restfulness trends. It integrates with Apple Health, offering a centralized view of sleep and heart data. Additional features include environmental noise tracking, sleep apnea indicators, blood oxygen level monitoring, and historical sleep trends. Users can customize settings to adjust how the app interprets their sleep patterns. The app does not require a subscription and is available as a one-time purchase.

Key Highlights:

  • Tracks sleep duration and quality automatically
  • Detects sleep patterns based on movement and heart rate data
  • Provides sleep phase analysis, including deep sleep tracking
  • Measures heart rate trends and blood oxygen levels during sleep
  • Monitors environmental noise levels
  • Integrates with Apple Health for data synchronization
  • Includes a smart alarm for waking during light sleep
  • Offers historical sleep trends and analytics
  • Customizable settings for sleep tracking preferences
  • One-time purchase with no subscription required

Who It’s Best For:

  • Apple Watch users looking for automatic sleep tracking
  • Individuals who want detailed sleep phase analysis and trends
  • Those interested in tracking heart rate and blood oxygen levels overnight
  • Users who prefer a sleep tracking app with no subscription fees
  • People who want Apple Health integration for sleep and heart data
  • Those interested in monitoring sleep regularity and recovery scores

4. Sleep Details

Sleep Details is a sleep tracking app designed for Apple Watch users that provides insights into sleep patterns and daily sleep scores. It integrates with Apple Health and uses recorded sleep data to analyze different sleep stages, heart rate variability, blood oxygen levels, and respiratory rate. The app calculates a daily sleep score based on sleep duration and other factors, offering users a way to track changes in their sleep quality over time. Users receive morning notifications summarizing their sleep, along with a historical view of long-term sleep trends.

Additional features include the ability to track environmental factors that may impact sleep, such as caffeine intake or physical activity before bed. The app also offers a memory test feature that allows users to track recall over time. Users can review detailed graphs, tap on specific metrics for deeper insights, and manually add or adjust detected naps. Sleep Details operates with a subscription model but offers a one-time purchase option for lifetime access.

Key Highlights:

  • Tracks sleep duration, sleep stages, and related health metrics
  • Provides a daily sleep score based on sleep data
  • Monitors heart rate variability, respiratory rate, and blood oxygen levels
  • Integrates with Apple Health for centralized data tracking
  • Allows users to mark potential sleep disruptors like caffeine or stress
  • Includes a memory test feature for tracking cognitive performance
  • Offers a historical sleep trends view with all-time averages
  • Supports nap tracking with manual or automatic detection
  • Features a night mode for real-time overnight monitoring
  • Available as a subscription or one-time purchase

Who It’s Best For:

  • Apple Watch users who want detailed sleep tracking and analysis
  • Individuals looking for a daily sleep score based on multiple factors
  • Those interested in monitoring heart rate, blood oxygen, and respiratory data
  • Users who prefer a sleep app that integrates with Apple Health
  • People who want to track lifestyle habits that may impact sleep
  • Individuals interested in reviewing long-term sleep trends and historical data

5. Prime Sleep Recorder & Tracker

Prime Sleep Recorder & Tracker is an app designed to analyze sleep-related sounds, including snoring, sleep talking, and other nighttime noises. It records and categorizes audio data using AI-powered detection, providing users with insights into their sleep environment. The app tracks sound patterns throughout the night and offers charts that visualize noise levels, helping users identify disturbances that may impact sleep quality. Users can adjust microphone sensitivity to capture specific sounds while filtering out background noise.

Additional features include the ability to assign lifestyle factors, such as caffeine intake or stress, to better understand how daily habits influence sleep. The app integrates with Apple Health to sync sleep-related data and provides an option for cloud backup and data export. A smart alarm feature is available for users who want to wake up during a lighter sleep phase. Prime Sleep Recorder operates in the background, allowing users to continue using their devices while tracking sleep.

Key Highlights:

  • Records and categorizes sleep-related sounds, including snoring and talking
  • AI-based sound detection and noise level analysis
  • Customizable microphone sensitivity settings
  • Charts and visual data for sleep sound trends
  • Apple Health integration for sleep tracking
  • Lifestyle tracking for factors like caffeine, stress, and wake-up mood
  • Background mode for uninterrupted device use
  • Data export and cloud synchronization options
  • Smart alarm for waking during light sleep

Who It’s Best For:

  • Users interested in tracking sleep-related sounds and disturbances
  • Individuals who want to monitor snoring and sleep talking patterns
  • Those looking for AI-powered sound analysis during sleep
  • People who prefer an app with Apple Health integration
  • Users who want to correlate lifestyle habits with sleep quality
  • Individuals seeking a sleep tracking app with data export options

6. Mintal Tracker – Sleep Recorder

Mintal Tracker is a sleep monitoring app that records and analyzes sleep sounds, such as snoring and sleep talking, while also tracking sleep cycles. It detects environmental noises throughout the night and presents users with a sleep analysis report that includes data on sleep duration, quality, and disturbances. The app provides a visual representation of captured sounds and sleep stages, giving users a way to review trends over time. It also features a smart alarm that wakes users during a light sleep phase.

The app includes a collection of relaxation sounds, guided meditations, and white noise options to assist with falling asleep. Users can track lifestyle habits, such as caffeine consumption or daily routines, to see potential effects on sleep quality. Mintal Tracker integrates with Apple Health to sync sleep data and provides optional subscription-based features, such as snore detection and advanced sleep analytics.

Key Highlights:

  • Tracks sleep cycles and environmental sounds
  • Detects snoring, sleep talking, and background noise
  • Provides a sleep quality report with visual data
  • Smart alarm designed to wake users in light sleep
  • Includes relaxation sounds and guided meditations
  • Syncs sleep data with Apple Health
  • Offers a widget for quick sleep tracking access
  • Subscription options for additional features

Who It’s Best For:

  • Users looking to track sleep patterns and disturbances
  • Individuals interested in monitoring snoring and sleep talking
  • Those who want a smart alarm that adapts to sleep cycles
  • People who prefer guided meditations and relaxation sounds before bed
  • Apple Health users who want integrated sleep data
  • Anyone seeking insights into how lifestyle habits affect sleep quality

7. NapBot – Auto Sleep Tracker

NapBot is an automatic sleep tracking app designed for Apple Watch users. It collects sleep data using machine learning and analyzes sleep patterns without requiring manual input. The app tracks sleep duration, deep and light sleep phases, and heart rate fluctuations throughout the night. Users can access daily summaries, including a sleep phase breakdown and environmental sound exposure analysis. NapBot syncs with Apple Health, presenting long-term sleep trends based on tracked data.

The app also provides a history of sleep records, allowing users to compare past data and identify patterns in their sleep habits. Sound exposure tracking is included to assess how environmental noise affects sleep quality. A subscription-based model offers advanced features, such as detailed trend analysis and historical sleep tracking. NapBot operates entirely on the Apple Watch and does not use iPhone-based tracking.

Key Highlights:

  • Automatic sleep tracking with machine learning
  • Monitors deep and light sleep phases
  • Tracks heart rate fluctuations during sleep
  • Analyzes environmental sound exposure
  • Displays daily summaries and sleep trends
  • Syncs sleep data with Apple Health
  • Provides historical sleep records for comparison
  • Subscription-based features for detailed trend analysis

Who It’s Best For:

  • Apple Watch users looking for automatic sleep tracking
  • Individuals interested in monitoring sleep phases and heart rate data
  • Those who want insights into environmental noise and its impact on sleep
  • Users who prefer a sleep tracking app with Apple Health integration
  • People who want long-term sleep history and trend analysis
  • Those looking for a non-invasive sleep monitoring solution without manual setup

8. SleepWatch – Sleep Tracker

SleepWatch is a sleep tracking app that collects and analyzes sleep data using an iPhone or Apple Watch. It provides insights into sleep patterns, including total sleep duration, sleep disruptions, and heart rate fluctuations during rest. The app records environmental sounds such as snoring and other nighttime noises and provides a summary of tracked sleep patterns. Users can review past sleep data and trends to monitor long-term sleep habits.

Additional features include a smart alarm that wakes users during a light sleep phase and a white noise library for those who prefer background sounds while sleeping. SleepWatch also integrates with Apple Health, syncing sleep and heart rate data. A subscription model unlocks personalized coaching, detailed sleep insights, and in-depth analysis of sleep trends over time.

Key Highlights:

  • Tracks sleep duration, disruptions, and sleep patterns
  • Records environmental sounds, including snoring and movement
  • Monitors heart rate fluctuations during sleep
  • Smart alarm designed to wake users in a lighter sleep stage
  • White noise library with customizable soundscapes
  • Provides daily sleep reports and trend analysis
  • Syncs sleep data with Apple Health
  • Subscription model for advanced features and personalized coaching

Who It’s Best For:

  • Apple Watch users looking for automatic sleep tracking
  • Individuals interested in analyzing snoring and nighttime sounds
  • Those who want insights into sleep disruptions and heart rate fluctuations
  • Users who prefer a smart alarm that adapts to sleep stages
  • People looking for a sleep tracker that integrates with Apple Health
  • Anyone interested in reviewing long-term sleep trends and coaching recommendations

9. HeartWatch – Heart Rate Monitor

HeartWatch is an app designed to track heart rate data collected by the Apple Watch and display historical trends. It provides a breakdown of heart rate metrics across different states, including activity, rest, sleep, and workouts. Users can monitor trends over time with visualized reports and receive heart rate alerts directly on their Apple Watch. The app also includes detailed tracking for metrics such as blood pressure, heart rate variability (HRV), and other health indicators.

The app supports note-taking for specific heart rate measurements, allowing users to log additional details related to their health. It offers long-term trend analysis with historical data views ranging from one week to a year. For those focused on fitness, HeartWatch provides workout analysis, including real-time heart rate monitoring and custom alerts. All collected data remains private and is not uploaded to external servers.

Key Highlights:

  • Tracks heart rate during rest, sleep, activity, and exercise
  • Provides alerts for significant heart rate changes
  • Displays historical heart data with trends over time
  • Includes options for logging notes alongside heart rate measurements
  • Offers workout tracking with real-time heart rate monitoring
  • Supports blood pressure, HRV, and additional health metrics
  • No data tracking or third-party analytics

Who It’s Best For:

  • Apple Watch users looking for detailed heart rate analysis
  • Individuals interested in tracking heart rate changes throughout the day
  • Those monitoring fitness progress with heart rate-based insights
  • Users who prefer private health tracking without third-party data sharing
  • People looking for long-term trends in heart health metrics
  • Anyone interested in reviewing sleep-related heart rate fluctuations

10. Sleep++

Sleep++ is an app designed for automatic sleep tracking using an Apple Watch. It collects data on sleep duration and restfulness, presenting a daily sleep report for users. The app features an automatic mode that detects when sleep begins and ends, as well as a manual mode for those who prefer to adjust their recorded sleep times. It integrates with Apple Health, storing sleep analysis data securely on the user’s device.

Users can review past sleep records to identify patterns and make adjustments to their routines. The app provides a simple and straightforward interface without unnecessary features. While it focuses primarily on sleep duration and quality, it does not include additional biometric measurements like heart rate monitoring.

Key Highlights:

  • Automatically tracks sleep using Apple Watch sensors
  • Offers a manual mode for adjusting sleep start and end times
  • Integrates with Apple Health for data storage and synchronization
  • Displays a daily summary of sleep duration and restfulness
  • Simple interface with minimal customization options

Who It’s Best For:

  • Apple Watch users looking for basic sleep tracking
  • Individuals who prefer a simple and straightforward sleep monitoring app
  • Those who want a free sleep tracking solution with optional premium features
  • Users who prioritize sleep duration and restfulness over detailed biometric data
  • People interested in tracking sleep trends without complex analysis

Conclusion

Tracking sleep with an Apple Watch gives users a clearer picture of their nighttime habits. With so many sleep-tracking apps available, there’s an option for everyone, whether they want simple reports on sleep duration or detailed analysis with heart rate and environmental noise tracking. Some apps focus on automatic tracking, while others provide extra insights like snoring detection and personalized sleep recommendations. Choosing the right app depends on what data matters most and how much detail someone wants to see each morning.

No app or wearable can change sleep on its own, but seeing patterns over time can help users understand what affects their rest. Whether it's adjusting bedtime routines or identifying disruptions, a sleep tracker can highlight trends that might otherwise go unnoticed. With the Apple Watch already tracking health and fitness data, adding sleep insights makes it an even more useful tool for daily life.

FAQs

Do I need to wear my Apple Watch all night to track sleep?

Yes, most sleep-tracking apps require wearing the Apple Watch overnight to collect data on movement, heart rate, and other sleep-related metrics. Some apps offer manual logging if wearing the watch isn’t an option.

How accurate are Apple Watch sleep trackers?

Sleep trackers provide estimates based on movement and heart rate data. While they can give a general sense of sleep patterns, they may not always detect wake-ups or different sleep stages with full accuracy.

Will sleep tracking drain my Apple Watch battery?

Tracking sleep does use battery power, but most users find that charging the watch for a short time before bed and in the morning keeps it running all day. Some apps also offer battery-saving modes.

Do I need a paid subscription for sleep tracking?

Many apps have free versions that track basic sleep data, while premium subscriptions unlock additional insights, detailed reports, and extra features like snore detection or personalized trends.

Can Apple Watch sleep tracking detect snoring or sleep talking?

Some apps include audio recording features that can capture snoring, talking, or other noises during the night. This feature usually requires microphone access and may be part of a premium subscription.

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Rated 4.8/5 stars with 30,000+ reviews

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Better than Headspace!

I canceled my subscription with Headspace and I now pay for Mesmerize instead. I was hooked after the free trial! I love how customizable the sounds, meditations, and visuals are! Using this app has honestly become my favorite part of my day! ☺️ It helps me relax, meditate, visualize, sleep, and it does wonders for my anxiety/phobia/ocd tendencies. Thank you Mesmerize for giving us this amazing mental health tool! I told my therapist about this app and have been telling all my friends too. It’s just so helpful!

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This is the second or third app in the mindfulness and meditation realm, and it’s the most scientific approach I have found. I have found these combinations of open monitoring, and focused attention meditation techniques are the most viable for those suffering from more severe forms of sleep, pain, and anxiety dysfunction one may be suffering from. Many of these approaches are used by professionals in a cognitive behavioral therapy setting. A truly complete approach in mindfulness and meditation.

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Features

Uniquely hypnotic visuals that clear your mind
Meditations for sleep, anxiety, depression and more
Soothing psycho-acoustic music to help you relax
Visual Breathing mode that helps you meditate
Sleepy stories designed to help you doze off quickly
Sleep timer, visualisation speed control and more

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