Sleep Analysis5 min read

NeoSleep — Understanding Your Sleep Dashboard

How to read the NeoSleep band chart, Deep / Core / REM / Awake stages, 7-night averages, and how to enable automatic sleep logging.

For informational and educational purposes only. VitalSync is not a medical device and does not diagnose, treat, cure, or prevent any medical condition. All content presents health data against established clinical reference ranges. Always consult a qualified healthcare professional for medical advice, diagnosis, or treatment.

NeoSleep — Understanding Your Sleep Dashboard

NeoSleep is VitalSync's sleep analysis module. It visualises your nightly sleep architecture using a colour-coded band chart and provides a 7-night rolling average so you can spot trends over time.

The NeoSleep Band Chart

The chart displays each night as a horizontal timeline from sleep onset to wake time. Four coloured bands represent the four sleep stages:

Band

Colour

What It Represents

Deep	Purple	Slow-wave sleep (N3) — the most physically restorative stage. Peaks in the first half of the night.
Core	Green	Light-to-moderate sleep (N1 + N2) — the largest portion of a healthy night.
REM	Amber/Orange	Rapid Eye Movement sleep — critical for memory consolidation and emotional regulation. Increases toward morning.
Awake	Red/Pink	Brief awakenings or time spent awake. Some awakenings are normal; frequent ones may indicate fragmented sleep.

The band width at any point on the timeline reflects the relative proportion of that stage. A healthy night shows a thick green (Core) band with visible purple (Deep) sections early in the night and amber (REM) sections in the later hours.

Reading the Summary Header

At the top of the NeoSleep screen you will see:

Total Sleep Duration (e.g., 8h 30m) — time from sleep onset to final wake.
Last Night label — confirms this is the most recent night's data.
Deep % — percentage of total sleep spent in Deep (N3). A healthy range is roughly 13–23%.
REM % — percentage in REM. A healthy range is roughly 20–25%.
Efficiency % — time asleep ÷ time in bed × 100. Above 85% is generally considered good.

7-Night Average Panel

Below the band chart, the 7-Night Avg section shows a horizontal bar for each stage with the average duration on the right:

Stage

Healthy Average (Adults)

Deep	60–90 min
Core	3.5–5 h
REM	90–120 min
Awake	< 20 min

These averages update each morning after a new night is logged. If fewer than 7 nights of data are available, the average reflects only the nights recorded.

Enabling Automatic Sleep Logging

VitalSync can detect sleep automatically using your Apple Watch or iPhone motion sensors.

To enable on iOS:

Open VitalSync → Settings → Sleep.

Toggle Enable Auto-Logging to on.

Grant the Motion & Fitness permission if prompted.

Optionally set a Sleep Schedule (bedtime and wake window) to improve detection accuracy.

To enable on Android:

Open VitalSync → Settings → Sleep.

Toggle Enable Auto-Logging to on.

Grant Physical Activity permission if prompted.

Keep the app running in the background (disable battery optimisation for VitalSync in Android Settings → Battery).

Note: For the most accurate stage breakdown, wear your Apple Watch or a connected BLE heart-rate monitor while sleeping. Without a wearable, VitalSync uses iPhone/Android motion data and provides duration and efficiency estimates only — stage breakdown requires heart rate data.