Private sleep intelligence

Understand your nights. Improve your days.

A calm, private sleep journal that turns a few morning details into clear patterns you can actually use.

  • No account required
  • Data stays on device
9:41
Good morning Your sleep snapshot
Sleep score 6%
86/100
Restorative Your consistency is improving.
7h 42m Duration
91% Efficiency
Sleep rhythm Last 7 days
Stable
MTWT FSS
Today Data Journal
Built for calmer mornings
Local-first privacy Two-minute check-in Actionable trends Soothing white noise
Less guessing, more clarity

A better relationship with sleep starts with understanding it.

Sleep Record makes your nightly patterns visible without wearables, complicated dashboards, or invasive data collection.

Build a reliable sleep picture

Log bedtime, wake time, awakenings, sleep quality, and daytime energy in one quick morning check-in.

See patterns, not noise

Follow sleep duration, efficiency, quality, and daily function across days and weeks.

Learn what supports sleep

Explore CBT-I-informed education and practical sleep hygiene principles at your own pace.

Create a calmer bedtime

Settle in with built-in white noise, rain, waves, and gentle ambient sounds.

Your sleep story stays yours

No account, no phone number, and no sleep-data upload. Your journal is stored locally on your device.

A simple morning ritual

Clarity in three small steps.

No wearable to charge. No all-night tracking. Just a mindful, repeatable check-in.

  1. 01

    Record your night

    Capture the details you remember in about two minutes.

  2. 02

    Watch patterns emerge

    See how your duration, efficiency, and quality shift over time.

  3. 03

    Make informed adjustments

    Use your own trends to support steadier, healthier routines.

Your patterns, made visible

See the story behind every night.

Sleep is more than a single score. Compare duration, efficiency, perceived quality, and daytime function to understand what is changing—and what may be helping.

  • Flexible 7-day, 30-day, and long-term views
  • Clear sleep-efficiency trends
  • Quality and daytime-function comparisons
Privacy by design

Your most personal hours should stay personal.

Sleep Record is designed around data minimization. Your sleep journal stays on your phone, so you can reflect on your patterns without creating another health profile in the cloud.

Local storageYour journal remains on your device.
No signupNo email, phone number, or profile required.
Simple controlsClear your local data whenever you choose.
Designed for real life

Useful whether sleep is a goal, a question, or a journey.

01

For pattern seekers

Connect your routines with how rested and focused you feel.

02

For routine builders

Use a consistent morning check-in to support steadier habits.

03

For mindful sleepers

Reflect without wearing another device or sharing sensitive data.

Questions, answered

Everything you need to know.

Still have a question? Contact us.

Do I need an account?

No. Sleep Record works without registration, login, a phone number, or an email address.

Where is my sleep data stored?

Your sleep records are stored locally on your device. Sleep Record does not upload your journal to an account or cloud profile.

Do I need a wearable?

No. Sleep Record is a reflective sleep diary. You enter the details you remember each morning, so there is nothing to wear or charge overnight.

Which languages are supported?

Sleep Record supports English and Chinese and can follow your device language. You can also switch language in the app.

Is Sleep Record a medical device?

No. Sleep Record is an educational self-reflection tool and does not diagnose, treat, or replace advice from a qualified healthcare professional.

Sleep Record app icon
Your next morning can be clearer

Start understanding your sleep.

Make sleep reflection simple, private, and useful—one morning at a time.

Available for iOS and Android