I tested the Withings Sleep Analyzer against a scientific EEG device. Subscribe to my weekly Newsletter(!) on www.robterhorst.com, Instagram: / quantified_scientist
Twitter: @QuantifiedRob
Amazon Affiliate* (paid) links. Supports the channel, doesn't cost you any more!
Withings Sleep Analyzer: https://geni.us/w9kUJ
Fitbit Charge 4: https://geni.us/wjAfjU
Fitbit Sense: https://geni.us/CSfYQE8
Fitbit Inspire 2: https://geni.us/iZHlb
*My opinions are completely my own. However, I do earn a small commission if you purchase any of these devices via my affiliate links. It does not cost you any more money if you use these links.
The EEG tracker I used is called the Hypnodyne ZMax: http://hypnodynecorp.com/ from @HypnoDyne Corp
Withings Scanwatch videos
Unboxing and first review: • Withings Scanwatch Review (Heart Rate...
Sleep test: • Withings Scanwatch Sleep Test (Review)
Heart rate test: • Withings Scanwatch Heart Rate Test (R...
Q&A with Withings: • Scanwatch Q&A: Answers from Withings
Oura Ring videos
Sleep Test: • Oura Ring Scientific Sleep Test (Review)
HRV Test: • Oura Ring Review: Heart Rate Variabil...
Temperature Test: • Oura Ring Ultimate Temperature Test (...
Huawei Videos
Watch Fit Heart Rate: • Huawei Watch Fit Review: Heart Rate A...
GT 2 Pro: • Huawei Watch Science Test: GT 2 Pro R...
Fitbit Videos
Fitbit Charge 3/4 Sleep: • FitBit Charge 4 Ultimate Sleep Test
Fitbit Charge 4 Heart Rate: • Fitbit Charge 4 Review: Heart Rate Ac...
Fitbit Sense First look review and test: • Fitbit Sense Accuracy (Sleep, Step co...
Fitbit Sense Heart rate: • Fitbit Sense Heart Rate Accuracy (Tes...
Apple watch videos
Sleep Cycle App: • Sleep Cycle App Review: Apple Watch S...
Steps: • Apple Watch 6 Step Counting Accuracy ...
Test: • Apple Watch 6 Accuracy (Sleep, Heart ...
First Garmin Venu Sq Video
• Garmin Venu Sq Heart Rate Accuracy (t...
⏱This comparison is part of a larger project where I spend over 11 hours a week tracking everything in my life⏱. If you'd like to know more:
• This mad scientist scanned his brain ...
Timestamps:
00:00 General intro
01:12 Sleep Algorithm
01:48 Withings Sleep v.s. Sleep Analyzer (difference)
02:55 Results: Sleep Test Setup
03:54 Results: Sleep Test Comparison
08:27 Results: Overview Analysis
10:57 Results: Comparison to First Generation
11:49 Results: Comparison to Fitbit and Huawei
12:24 Conclusions
13:13 Should You Buy The Sleep Analyzer?
14:04 Test Limitations
Music
(1) Not Without the Rest by Twin Musicom is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/...)
Artist: http://www.twinmusicom.org/
(2) Wonders by JVNA
(3) Can’t Sleep (YouTube Audio Library)
(4) Classique (YouTube Audio Library)
(5) Blurry Vision (YouTube Audio Library)