Sleep & Recovery

Rest for the life you love.

Understand your sleep with a ring made for nights as well as days. See what shaped your rest, without turning bedtime into another task.

Your night · Calm

A clearer morning begins with the night.

You spent the night asleep. What did that time make room for?

Calm brings your sleep into focus: how long it lasted, how settled it appeared, and when it happened. Start with the overview, then look at the detail that matters to you.

Duration Was there room for sleep?

Continuity How interrupted was the night?

Timing Did it fit your recent routine?

Let Calm help you choose a pace that fits the morning ahead.

Meet Calm

Time asleep

7h 15m

Sleep example
22:45 — 06:30

See how much of the night was spent asleep.

Read the sleep guide

HRV · A closer look at recovery

Rest is time. Recovery has a rhythm.

Heart Rate Variability, or HRV, is the variation in time between heartbeats. It adds a recovery perspective to the hours you spent asleep.

Follow your overnight HRV against your own usual pattern. Several nights can offer more context than a single number—alongside your sleep and how you feel.

Understand HRV and your personal pattern

Illustrative overnight HRV trend

55 ms · Last night

MonTueWedThuFriSatSun

Dashed band: your own usual range · Example values
Your personal pattern gives the number its context.

Your pattern

One night has a story. Several nights have a pattern.

Some questions become clearer when you look beyond last night. Timing and recent sleep shortfall offer two different perspectives.

Circadian

The timing of your nights.

A late evening with friends. An early journey. Your sleep can move even when its duration looks familiar.

Circadian helps you compare observed sleep timing with the personal routine AIVELA has learned. Your usual is a reference, with room for the life around it.

Explore Circadian

Illustrative timing comparison

20:0000:0004:0008:00

Your usual

22:30 — 06:30

One later night

23:30 — 07:30

The same length of time, at a different point in the night.

Sleep Debt

Notice when sleep keeps giving way.

A deadline, family time, an early start. Each shorter night may have a good reason. Sleep Debt helps bring recent recorded sleep shortfall into view.

Use the recent pattern to see where more room for sleep is realistically possible. A quieter evening or fewer early starts may be a place to begin.

Explore Sleep Debt

Illustrative recent sleep records

7h 30 Mon

6h 10 Tue

6h 25 Wed

6h 05 Thu

7h 20 Fri

A busy week can make a run of shorter nights easier to miss.

Your morning

Start withhow you feel.

Before opening the App, you may already know something useful. Bring that feeling to the record. Then choose one small next step, if you need one.

Look at the night. Check the sleep period and the detail that stands out.
Add the life around it. Your plans, experience and a changed routine give the numbers context.
Leave room for a choice. A quieter start, more sleep opportunity later, or simply more observation.

A simple morning reading order

A little more clarity

Questions worth asking.

Find the detail that helps you make sense of your night.

What can I learn from sleep stages?

Light, Deep and REM add another layer to your sleep story. See how they sit within the whole night, then look across recent records to notice patterns in your rest.

Explore sleep stages

How do I begin reading my night?

Start with when sleep began and ended. Then look at total sleep, continuity and timing. Choose the detail that helps explain your night, and bring your own morning experience into the picture.

A simple way to read your sleep

Where do naps fit?

AIVELA can detect suitable naps and show their start and end times. Read them alongside your main sleep to see where rest fits into your day.

Main sleep and naps

How do Circadian and Sleep Debt work together?

Circadian helps you explore when sleep happens. Sleep Debt brings recent recorded sleep shortfall into view. Together, they make it easier to notice when your schedule shifts or sleep repeatedly gives way.

Explore your sleep pattern

Do I need to review everything each morning?

Start with Calm and the part of the night that stands out. One useful question can be enough: more room for sleep, a steadier routine, or a gentler start to the day.

Make your morning review simple

From the AIVELA Blog