# Hespera - Sleep calculator — Cycle, Nap & Bedtime Routine

> Sleep optimization app analyzing daily habits for personalized bedtime and wake-up plans. (iPhone/iPad app by ESWARDEN LLC.)

- Source: https://appshunter.io/ios/app/hespera-sleep-calculator/id6797964567 (this page in markdown: same URL + `.md`)
- Developer: [ESWARDEN LLC](https://appshunter.io/developer/6797635113)
- Category: Health & Fitness, Lifestyle
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 12+
- Requires: iOS 15.0 · 60 MB
- Languages: American English
- Released: 2026-08-23
- Data updated: 2026-09-05
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/hespera-sleep-calculator/id6797964567/reviews.md

## What is Hespera?

Hespera helps you sleep smarter by turning the day you actually lived into a clear plan for tonight.
Caffeine, stress, naps, exercise, screen time, alcohol, and the way you felt this morning can all affect your sleep. Hespera brings those signals together so you can make better decisions before bedtime — without turning sleep into another chore.

PLAN YOUR NIGHT
- Get a personalized bedtime target
- See your recommended wake-up window
- Know when to start winding down
- Adjust your plan around the day you actually had

TRACK CAFFEINE
- Log coffee, tea, and energy drinks
- See how much caffeine may still be in your system near bedtime
- Find a better caffeine cutoff for your schedule
- Understand how late caffeine may affect your night

KEEP YOUR SLEEP HISTORY ACCURATE
- Confirm how your night actually went
- Correct bedtime and wake-up time when needed
- Skip nights you do not want to count
- Keep incomplete data from turning into misleading insights

UNDERSTAND YOUR SLEEP DEBT
- See how short nights add up across the week
- Understand how recent sleep compares with your needs
- See why one late night can affect more than one morning
- Follow your recovery over time

READ YOUR ENERGY
- See when you may feel more alert
- Identify likely low-energy periods
- Understand how tonight may affect tomorrow
- Use your sleep history to plan your day more intelligently

DISCOVER REAL PATTERNS
- See which habits repeatedly appear alongside better or worse sleep
- Compare caffeine, stress, exercise, naps, alcohol, and screen time
- Avoid conclusions based on one unusual night
- Get insights only when there is enough data to make them meaningful

REVIEW YOUR NIGHTS
- Browse your sleep history
- Open and inspect individual nights
- Correct previous entries
- Keep a clean record of how your sleep changes over time
You do not need a perfect routine, a complicated sleep journal, or another list of generic tips.
Just tell Hespera what happened today and use that information to make tonight better.

Hespera is not a medical device and is not intended to diagnose, treat, cure, or prevent any medical condition or sleep disorder. If you experience serious or persistent sleep problems, consult a qualified healthcare professional.

## Key features

- Personalized bedtime target
- Recommended wake-up window
- Caffeine tracking and cutoff
- Sleep history accuracy
- Sleep debt understanding
- Energy level prediction
- Habit pattern discovery


## Frequently asked questions about Hespera

### What is Hespera?

Hespera is a sleep calculator app that helps you optimize your sleep by analyzing your daily habits. It provides personalized bedtime and wake-up recommendations based on your lifestyle.

### How does Hespera help with sleep?

Hespera analyzes factors like caffeine, stress, exercise, and naps to create a personalized plan for your night. It helps you understand sleep debt and predict energy levels for better daily planning.

### Can Hespera track my caffeine intake?

Yes, Hespera allows you to log coffee, tea, and energy drinks. It shows how much caffeine might still be in your system near bedtime and helps you find a better cutoff time.

### Is Hespera accurate for sleep history?

Hespera allows you to confirm how your night actually went, correct bedtime and wake-up times, and skip nights you don't want to count, ensuring your sleep history remains accurate and insightful.

### Does Hespera have ads?

No, Hespera is ad-free, providing an uninterrupted user experience for tracking and analyzing your sleep.

### What devices does Hespera support?

Hespera is available on iPhone, iPad, and iPod, making it accessible to a wide range of Apple users.

### What is the age rating for Hespera?

Hespera has an age rating of 12+, making it suitable for teenagers and adults interested in sleep optimization.

### How often is Hespera updated?

Hespera was last updated on August 31, 2026, with version 1.0.3, indicating ongoing development and support.

## Version history (last 3 releases)

### 1.0.3 — 2026-08-31

— The night keeps its need: when your body clock sits later than your usual morning, the wake window now follows your bedtime so you still get the full night, and the plan says which morning it moved past. Each night walks you back a step.
— A wake you name is still a deadline: an alarm you set stays where you set it, and a night that can't fit before it is drawn short and honest.
— Naps priced fairly: an afternoon nap now costs you minutes of bedtime, not hours — an early one delays lights-out by at most half its length, and a short one no longer pauses your schedule walk.
— One bad night is not a new habit: a single 3 AM after a 10 PM routine no longer convinces the plan you live at 3 AM.
— "I'll keep your bedtime" means exactly that: accepting the plan's own bedtime returns the same plan, minute for minute.
— Check-in, cleaner: the coffee counter takes back the earliest cup, so "when was the last one" stays put; preset chips are gone, the tape answers every "when".
— The tour of Today runs once: it no longer reappears after every check-in.
— Also: the plan's wake-window row explains the moved morning in all five languages, and small fixes throughout.

### 1.0.2 — 2026-08-27

— Wake on the easy minute: the plan now searches your wake window for the end of a sleep cycle and shows why that minute, on a new page with tonight's hypnogram and the wake pinned to it.
— Cycles that are yours: cycle lengths follow your age, so bed and wake land where your body actually turns over, not on a textbook grid.
— Two ways to check in: just the times in five seconds, or the whole day in half a minute. An early flight or a late night applies to that night only; your plan stays put.
— Today reads like a report: what stretches your falling asleep, the night by cycles, tomorrow's energy, and what tonight does to your sleep debt, now → by morning.
— Every night in three answers: how it went, where the points went, what it could have been. Tap any cycle to see what it held.
— The alarm's landing counts: waking out of deep sleep costs points and a slower start, and the score says so.
— Charts that answer back: caffeine timing live against tonight's lights-out, a sleep-debt ledger where every night opens on tap, quality zones from your first scored night, an energy curve you can read by touch.
— Settings that add up: your optimal sleep, wake time and the bedtime they imply, applied the moment you change them. Recorded nights are never re-priced.
— Now in German, Spanish, Japanese, Russian, alongside English.
— Also: a one-time tour of Today for newcomers, a full start-over wipe, and a much lighter download.

### 1.0.1 — 2026-08-23

No release notes.

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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 2026-09-05.*