BIO: Circadian Rhythm & Sleep
Chongtham Johny Singh Health & Fitness iPhoneiPadiPod touch
BIO: Circadian Rhythm & Sleep is a free Health & Fitness app for iPhone and iPad by Chongtham Johny Singh. Rated 5.0/5 from 1 ratings. Requires iOS 13.0.
- Rating
- 5.0
- 1 ratings
- Price
- Free
- on the App Store
- Size
- 73 MB
- Age 4+
- Updated
- May 11
- 2026 · v1.0.3
Screenshots
About BIO: Circadian Rhythm & Sleep
BIO — Circadian Rhythm & Energy Forecast Wake up at the right time. Fix your circadian rhythm. Predict your energy before your day even starts. BIO helps you naturally reset your circadian rhythm using science-backed techniques inspired by leading circadian rhythm research from experts like Satchin Panda. Your circadian rhythm controls: • Sleep quality • Energy levels • Focus and productivity • Mood and recovery • Hormones and metabolism • Your entire biological clock When your circadian rhythm becomes misaligned, your whole day feels off. You may struggle with: • Late sleeping • Low daytime energy • Brain fog • Inconsistent sleep schedules • Difficulty waking up • Poor focus and productivity • Feeling tired even after sleeping BIO helps fix the root cause instead of just tracking symptoms. Most sleep apps only monitor sleep. BIO helps restore your natural circadian clock. Designed for people dealing with: • Delayed Sleep Phase Syndrome (DSPS) • Circadian rhythm sleep disorders • Irregular sleep-wake cycles • Shift work sleep disruption • Non-24 sleep-wake disorder • Jet lag and schedule shifts • Poor body clock alignment WHAT MAKES BIO DIFFERENT Unlike traditional sleep trackers, BIO includes a personalized Daily Energy Forecast powered by your circadian rhythm. Know your best times for: • Deep focus • Productivity • Exercise • Creative work • Recovery • Relaxation • Sleep Your body naturally follows energy peaks and crashes throughout the day. BIO helps you understand: • When your energy will peak • When mental fatigue happens • When your body is naturally alert • When to avoid burnout • When your body is ready for sleep Instead of fighting your biology, BIO helps you work with your natural rhythm. FEATURES • Personalized circadian rhythm analysis • Daily energy forecasting • Circadian reset schedules • Smart light exposure guidance • Sleep timing optimization • Habit tracking for body clock recovery • Sleep-wake cycle optimization • Circadian-friendly daily routines • Science-backed sleep protocols WHY CIRCADIAN RHYTHM MATTERS Your body runs on a 24-hour biological clock called the circadian rhythm. When your circadian rhythm is disrupted, it can affect: • Sleep • Energy • Mood • Focus • Recovery • Daily performance BIO helps realign your sleep schedule and restore healthy daily rhythms naturally. WHO IS BIO FOR? Perfect for: • Night owls • Shift workers • Students sleeping late • Frequent travelers • People with inconsistent sleep schedules • Anyone wanting better sleep and energy Reset your body clock naturally. Improve your sleep cycle. Optimize your energy. Align with your biology. Download BIO and take control of your circadian rhythm today. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
What’s new
Version 1.0.3 · Updated May 11, 2026
Daily energy forecasting is now available
App privacy
The developer, Chongtham Johny Singh, reported these privacy practices to Apple.
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Contact Info: Email Address, Name
Used for: Analytics, App Functionality
Alternatives to BIO: Circadian Rhythm & Sleep
Looking for apps like BIO: Circadian Rhythm & Sleep? Here are 6 similar apps on the App Store.
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Hurive.
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66 Habits - Habit Tracking
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Circadian Time:Mood, Light,Sun
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Golden Hour Circadian Focus
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Serein: Mindful Breathing
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Circadian: Sunrise Sleep
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| BIO: Circadian Rhythm & Sleep | 5.0 / 5 (1 rating) | Free | May 11, 2026 | |
| Hurive. | – | Free | Oct 5, 2026 | Compare |
| 66 Habits - Habit Tracking | – | Free | Aug 18, 2026 | Compare |
| Circadian Time:Mood, Light,Sun | – | Free | Apr 30, 2026 | Compare |
| Golden Hour Circadian Focus | – | Free | Jun 25, 2026 | Compare |
| Serein: Mindful Breathing | – | Free | Jul 28, 2026 | Compare |
| Circadian: Sunrise Sleep | – | Free | May 5, 2026 | Compare |