# Sleepytime Bedtime Calculator — Wake up happy

> Calculates optimal bedtime and wake-up times based on sleep cycles. (iPhone/iPad app by Kevin Duck.)

- Source: https://appshunter.io/ios/app/sleepytime-bedtime-calculator/id1282766416 (this page in markdown: same URL + `.md`)
- Developer: [Kevin Duck](https://appshunter.io/developer/905726807)
- Category: Productivity, Lifestyle
- Price: Free
- Rating: 3.00/5 from 2 App Store ratings
- Age rating: 4+
- Requires: iOS 9.0 · 13 MB
- Languages: English
- Released: 2017-09-15
- Data updated: 2026-06-10
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/sleepytime-bedtime-calculator/id1282766416/reviews.md

## What is Sleepytime Bedtime Calculator?

Sleeping better is EASY!

Have you ever taken a nap and woken up *more* sleepy? Do you wake up most mornings feeling groggy, even after sleeping 6-8 or more hours per night? 

You could be sleeping just a little too much, or not quite enough. Good sleep depends on lots of things, but one thing it definitely depends on is: sleep cycles. The difference between waking up at the end of a sleep cycle and in the middle of a cycle is night and day!

Download Sleepytime Bedtime Calculator to find the perfect times to go to bed and wake up and start optimize your sleeping today.

## Key features

- Calculate ideal bedtime
- Calculate ideal wake-up time
- Optimize sleep schedule
- Understand sleep cycles
- Wake up refreshed


## Frequently asked questions about Sleepytime Bedtime Calculator

### How does Sleepytime Bedtime Calculator work?

Sleepytime Bedtime Calculator helps you find optimal times to go to bed and wake up by considering your sleep cycles. Waking up at the end of a sleep cycle can significantly improve how refreshed you feel.

### What is the age rating for Sleepytime Bedtime Calculator?

Sleepytime Bedtime Calculator has an age rating of 4+, making it suitable for a wide range of users.

### On which devices can I use Sleepytime Bedtime Calculator?

Sleepytime Bedtime Calculator is available for iPhone, iPad, and iPod devices.

### When was Sleepytime Bedtime Calculator last updated?

The app was last updated on September 15, 2017, with version 1.1.

### Does Sleepytime Bedtime Calculator have ads?

Sleepytime Bedtime Calculator does not contain advertisements.

### What is the user rating for Sleepytime Bedtime Calculator?

Sleepytime Bedtime Calculator has a rating of 3.0 stars based on 2 user reviews.

### Can Sleepytime Bedtime Calculator help me if I wake up groggy?

Yes, the app is designed to help users wake up feeling less groggy by calculating ideal sleep and wake times based on sleep cycles.

### Is Sleepytime Bedtime Calculator free to use?

Yes, Sleepytime Bedtime Calculator is available for free.

## Version history (last 1 release)

### 1.1 — 2017-09-15

No release notes.

## More apps by Kevin Duck

- [ModPhone](https://appshunter.io/ios/app/modphone/id6748754389)
- [ColdCallGym](https://appshunter.io/ios/app/coldcallgym/id6749118523)

All apps by Kevin Duck: https://appshunter.io/developer/905726807

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*