Sleep Tracker App WellSleep

Master your sleep. Unlock your energy.

WellSleep is a professional sleep assistant designed to help you better understand and improve your rest using only your iPhone. With sound analysis, motion sensing, and personalized sleep insights, WellSleep helps you visualize your sleep patterns, understand sleep debt, and build healthier sleep routines—without requiring a wearable device.

Stop wondering why you wake up tired. Understand your nights, improve your sleep habits, and make the most of your days.

THE SCIENCE OF REST

WellSleep goes beyond basic sleep timers. By combining sleep tracking with insights into sleep duration, consistency, movement, and nighttime sounds, WellSleep helps you better understand your personal sleep patterns.

CORE FEATURES

Advanced Sleep Analytics

Phone-Based Sleep Tracking
No wearable device required. Simply place your iPhone near your bed, and WellSleep uses its sensors and sound analysis to monitor your sleep throughout the night.

Sleep Stage Insights
Explore estimated Deep, REM, and Light sleep periods through movement and acoustic patterns to better understand your nightly sleep.

Daily Sleep Score
Receive a personalized score each morning based on factors such as sleep duration, sleep quality, and consistency.

Sound & Snore Detection

Snore & Sound Detection
Detect and record snoring, sleep talking, and nighttime environmental sounds that may affect your sleep.

Nighttime Sound Insights
Review detected sounds and identify patterns that may be associated with changes in your sleep quality.

Sleep & Energy Management

Sleep Debt
Keep track of your accumulated sleep deficit and receive personalized insights to help you establish more consistent sleep habits.

Sleep Rhythm
Understand your sleeping and waking patterns and identify when you tend to feel more alert or tired throughout the day.

Smart Alarm & Sleep Aids

Smart Wake
Wake up more gently by allowing WellSleep to monitor your sleep and choose an appropriate wake-up moment within your selected alarm window.

Sleep Sound Library
Relax and fall asleep with a curated collection of white noise, ASMR, rain sounds, ambient audio, and guided meditation.

WELLSLEEP PREMIUM

An active WellSleep Premium subscription is required to access the following features:

• Sleep Recording
• Sleep Analysis
• Sleep Tracking
• Sleep & Relaxation Music

These features require an active in-app subscription and cannot be used without a WellSleep Premium subscription.

Subscription options and pricing are displayed in the app before purchase.

PRIVACY BY DESIGN

Your privacy is our priority.

Local Processing
Audio recordings used for sound and snore detection are processed locally on your iPhone whenever supported by the feature.

Data Ownership
Your sleep data belongs to you. We do not sell your personal information to third parties.

Privacy Policy: https://zhufengtech.com/privacy.html

Terms of Use: https://zhufengtech.com/terms.html