Sleep Time: Cycle Alarm Clock
What is Sleep Time?
Tracks sleep cycles and provides a smart alarm clock with a chosen wake-up window.
Sleep Time is a sleep tracker and alarm clock in the Health & Fitness genre. It analyzes sleep cycles overnight and can wake users during a chosen window, with sleep graphs and Apple Health integration.
Pricing. Sleep Time is free to download, with in-app purchases on the App Store.
Good for
- Tracking sleep cycles overnight
- Setting a wake-up window for the alarm
- Comparing sleep data across nights
Screenshots
Why this app is in A tier
A tier follows from that score within this list. The full explanation, as data.
Sleep Time scores 91 out of 100: rating 93, rating count 81, App Store search rank 87, update recency 100. The four parts are averaged and A tier follows from that score within this list.
Description
Fall asleep, stay asleep, and wake up refreshed!
Sleep Time is a complete sleep tracker and smart alarm clock. Place your phone on the bed and Sleep Time analyzes your sleep cycles through the night, then wakes you during your lightest sleep within your chosen window - so you start the day rested instead of groggy.
Trusted by over 35 million users, Sleep Time is an award-winning sleep app.
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5/5 “I finally understand why I wake up tired some mornings. Sleep Time showed me my sleep cycles, and the smart alarm has made my mornings so much easier - I haven’t hit snooze in weeks.”
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5/5 “I’ve tried several apps that log sleep duration and stages, and the interface of Sleep Time is the best by far. It’s easy to understand and simple to use.”
5/5 “Fascinating results. It works remarkably well providing helpful information.”
Featured on: TechCrunch, Mashable, Lifehacker, 148apps, eHealth, and many others.
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MAIN FEATURES
- Set the alarm clock with a single gesture
- Fall asleep to soothing soundscapes and white noise
- Alarm rings even in silent mode
- Choose from 20 built-in alarm sounds
- Wake up to your favorite song from your music library
- Sleep Lab™ with light, deep, and REM sleep analysis
- Detailed daily, weekly, and monthly graphs
- Smart wake-up window for a gentler start to the day
- Full history makes night-to-night comparison easy
- Cloud backup and restore for your sleep data
- Clear, easy-to-read interface
- Apple Health integration
We build Sleep Time for our users and would love your feedback. Tell us what you think so we can keep improving the app.
Upgrade to Premium for unlimited soundscapes, advanced sleep insights, priority support, and an ad-free experience with an auto-renewable subscription.
We offer auto-renewable subscriptions with the following terms:
- Payment will be charged to your iTunes account at confirmation of purchase
- Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period
- Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase
- No cancellation of the current subscription is allowed during active subscription period
- Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication
- Our privacy policy and terms of use: https://www.azumio.com/page/privacypolicy
Sweet Dreams,
Azumio Team
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Questions about Sleep Time
How does the app analyze sleep?
The listing says to place the phone on the bed. Sleep Time analyzes sleep cycles through the night.
What does Premium include?
Premium includes unlimited soundscapes, advanced sleep insights, priority support, and an ad-free experience.
Is Sleep Time free?
Sleep Time is free to download, with in-app purchases.
Is Sleep Time right for me?
Sleep Time is built for tracking sleep cycles overnight, setting a wake-up window for the alarm, comparing sleep data across nights. It sits in the alarm clock list on AppTierList.
Is Sleep Time worth it?
Sleep Time is A tier, ranked #9 of 40 alarm clock apps with a score of 91 out of 100, from a 4.7 App Store rating across 13,249 ratings. It is in the list's top tiers; 8 apps rank above it.
How does Sleep Time compare to Sleepwave?
Sleep Time is A tier at 91; Sleepwave is S tier at 91. They score the same. Sleep Time is free to download, with in-app purchases, Sleepwave is free to download, with in-app purchases.
How often is Sleep Time updated?
Sleep Time was last updated on 2026-09-29, 46 days ago.
Alternatives
Top rated in Alarm Clock
Categories
All the facts
Ranking
- Lists
- Alarm Clock (A tier, #9) · Sleep Tracking (A tier, #14)
- Tier
- A (Excellent)
- Score
- 91 / 100
- Rank in list
- #9 of 41
- Ranking certainty
- settled
Ratings
- App Store rating
- 4.7 out of 5, every App Store country
- Ratings
- 13,249
App
- Price
- Free + IAP
- App Store category
- Health & Fitness
- Current version
- (46 days ago)
- Size
- 194 MB
- Requires
- iOS 16.0 or later
- Age rating
- 4+
- Languages
- 31
- Runs on
- iPhone
Links
- Developer pages
- Website · Support · Privacy policy
- Maker
- not verified
- As data
- JSON · why it ranks here
App Store data read · reviews · ranking