Go2sleep

You go to sleep, it goes to work.
The world’s most advanced sleep tracker with Heart Rate & Blood Oxygen (SpO2) monitoring functions. Provides comprehensive sleep feedback for you to better understand and optimize your sleep.

HOME SLEEP TEST DEVICE

Heart Rate/Blood Oxygen

AHI

Vibration feedback

Report Export

Report / CSV Exportation

Compact and Sleek

The 6-gram ring applies the unique design to fit your finger. Cannot feel its existence during sleep.

Compact and Sleek

The 6-gram ring applies the unique design to fit your finger. Cannot feel its existence during sleep.

Whole Night, Every Second

Go2sleep tracks SpO2—the level of oxygen in your blood—all night long in every second during your sleep. No other devices ever provide so much information as Go2sleep.

Real-Time Monitoring

You can check real-time data and fluctuation of heart rate, blood oxygen, and perfusion index.

Vibrotactile Feedback

When your heart rate and blood oxygen level is abnormal during sleep, vibrotactile feedback will alert you to prevent dangers.

Monitor your family’s sleep conditions

Add family members in the app to check their sleep reports at any time.

Multi-platform support

You can check sleep reports on iOs, Android, Windows, and Mac devices. With cloud storage, it’s easy to check data of any day, week,or month, even if the app is reinstalled.

Multi-dimensional health information

Clearly presents each dimension with overview and detailed charts. You can read the charts separately or in one screen.

Sleep Score

Sleep Time

Sleep Stage

AHI

Resting Heart Rate

Blood Oxygen Saturation

Toss and Turn

HRV

Sleep Lable

Other useful functions

Health Center



Auto-sync with the health center on iOS devices.

Bio-alarm clock



Gently wake you up in your lightest sleep phase.

Magnetic charger



An easy way to charge your ring

Continuous Upgrades



Latest iteration. Grant your device more power

Airplane Mode



Turn on this mode to only record data without uploading.

Find the Ring



Use this function to find the lost ring easily.

Comparative Analysis



Compare sleep reports to find how your habits impact sleep quality.

Export reports



You can download your reports as excel files.

Specifications

GO2SLEEP HST has the international advanced hardware, which uses 660nm and 940nm dual-wavelength reflective PPG sensors to detect finger arterial capillaries. The sample frequency is 50 Hz, calibration ranges from SPO2 70-100%.

SPECIFICATION

Size:
22 X 30 x 18 mm
Weight:
6g (Ring)

MATERIAL

The Device:
Acrylic /PC+ABS plastics
Silicon ring:
Food-grade silicon

OS SUPPORT

iOS 10.0 and above
Android 4.2 and above

INTERNATIONAL SUPPORTS

English
Japanese
Simplified Chinese
Traditional Chinese
Poland

CERTIFICATION

RoHs
CE
FCC
TELEC

PACKAGE

Go2slee Device
Charger and USB cable
silicon ring × 3
User manual
Warranty card

Waterproof

IP67

Data storage

7 Days in Device
Life-long in Cloud

FAQs

How to wear GO2SLEEP correctly ?
1.Select the suitable silicon ring to fit your middle or ring finger. Do as shown below.

2.The device’s charging part facing outside :
Which finger is the most suitable ?
We recommend you to wear it on your ring finger. If you wear a wedding ring on your ring finger, you can also wear it on your middle finger.
How to choose the silicon ring ?
1. Choose the silicon ring which is suitable for your middle or ring finger. 

2. Put the device in the silicon ring (The sensor towards the finger) and wear it on the finger. 

3. If you shake your hand, the device does not swing with your hand.

4. The silicon ring should not be too tight or too loose on the finger.
How to connect GO2SLEEP ?
Download the SLEEPON app and create an account, or log on to the registered account . 
Connect the device: turn on bluetooth—open SLEEPON app—login—tab Search Device. The ring will have green light flashes and vibrate twice after the connection.
Can’t find Go2sleep ?
Please follow the following steps to check the product: 
 
1. Confirm the device is activated.  
2. Confirm the device is within 10 meters from the cellphone.  
3. Make sure the device is charged  
4. Please contact our customer service if the device is still not connected after performing the above steps.
Can I turn off my cell phone during the sleep ?
You can turn off the cellphone during sleep. Just make sure that you turn off the cellphone after you wear the ring and connect to the cellphone to synchronize before you sleep.
Take off the ring and connect to the cellphone to synchronize the data after you wake up in the morning.
How long does it take to fully charged the device ?
It takes two hours to fully charge the device and it can be used for 3 nights.
How to charge the ring ?
When charging the ring, the red light flashes. The green light is on after fully charged. If you find the device can not fit well into the charger, rotate the ring 180 degree and try again.
Correct charging method ?
1. Put the device in the silicon ring, the sensor should face inward of the silicon ring. 
2. After putting the ring on the charger, the device will be magnetically attached on the charger if it is placed correctly. 
3. When the device is misplaced, the device will be ejected from the charger.
How to activate the ring ?
For the first time, put the ring on the charger to activate the device.
The red will light flash. Reactivate before you connect to the app if you reset it.
Who is the most suitable users ?
It is suitable for users who want to have a better understanding of their sleep quality or to test if they have sleep apnea.
The red light flashes continuously on the finger ?
The red light flashes when the ring is on the finger indicates that data storage is full. Please sync your data with the app. 
Device storage is capable to store data for 30 hours (If you sleep for 10 hours per night, a total of about 3 nights of sleep are stored). 
When the data storage is full, please connect to the phone app and synchronize the data.
Warranty Period ?
The ring is guaranteed for one year.
Why do we need to take off the ring and synchronize ?
When you wear the ring,it will start monitoring. When you take off the ring, it stops monitoring and starts generating reports. So you need to take off the ring to synchronize data and generate report.

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Fast shipping

All orders ship within 2-3 business days

30-day returns

We accept returns and exchanges for up to 30 days

1-year warranty

The warranty period is 1 year from the date of purchase

Secure payment

We provide secure online payments

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