Uploaded April 2026 | Updated September 2026, 2 weeks ago
▬▬▬▬▬▬▬▬▬▬👇DISCOUNTS/AFFILIATES*!👇▬▬▬▬▬▬▬▬▬▬
🔴 Eight sleep best $$$ (€) discount*: eight-sleep.ioym.net/TheQuantifiedScientist + add code “TQS” for full discount
🔴 Whoop Strap MG / 5.0*: join.whoop.com/QuantifiedScientist
(best $$$ off any new WHOOP membership)
🔴 Oura Ring Link: I recommend you search for a discount on reddit with the "Refer-A-Friend" program! If you can’t find one: ouraring.sjv.io/Oura4 * (affiliate link that supports the channel, but doesn't have a discount)
🔴 Anything on Amazon*: geni.us/thequantifiedscientist
🔴 Best Running app Runna*: web.runna.com/redeem?code=QUANT
🔴 Strava Premium 20%*: strava.com/subscribe/checkout?code=QUANTIFIEDSCIENTIST
🔴 Levels CGM app best offer $$$ (USA only!)*: levels.link/QS
🔴 Anything on Amazon*: geni.us/thequantifiedscientist
☝️Affiliate* (paid) links. Supports the channel, doesn't cost you any more!☝️
🟢 Instagram: instagram.com/quantified_scientist
🟡 Strava: strava.com/athletes/5206985
🟠 Shorts: youtube.com/@smartwatchshorts
🔵 Newsletter: robterhorst.com
🟡 Twitter: @QuantifiedRob
* Affiliate (paid) links support the channel by earning me a commission on any sale, and it doesn't cost you any more! My opinions are completely my own, and this content is not sponsored.
▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬
🟡 Support the channel by becoming a member🙏:
youtube.com/channel/UChNWxrTlmh4IRSevon1X93g/join
PodCast: (soon to come) youtube.com/@FitForScience @FitForScience
Subscribe: youtube.com/@TheQuantifiedScientist?sub_confirmation=1
Video edited by Alex: https://linktr.ee/allexb
📸My Gear* (paid links, supports the channel and doesn’t cost you any more)📸
Camera body (main): geni.us/SonyA6600_body
Camera lens (main): geni.us/SigmaContemporary
Camera (B-roll 1): geni.us/Sony_ZVE1
Camera (B-roll 2): geni.us/CanonEosM50MarkII and geni.us/Sony_ZVE10
Light: geni.us/Godox_VL150
Softbox: geni.us/NiceFotoSoftbox
Light stand: geni.us/WalimexLightstand
▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬
Reference devices:
ZMax + Dreamento: biorxiv.org/content/10.1101/2023.08.18.553744v1 & github.com/dreamento/dreamento
Polar H10: pubmed.ncbi.nlm.nih.gov/31004219
🔴 Polar H10: geni.us/hnXc
00:00 - Introduction: Garmin's sleep stage tracking performance
01:02 - First Line of Evidence: University of Salzburg sleep study results
05:56 - Second Line of Evidence: Personal N=1 testing against EEG
08:48 - Third Line of Evidence: Meta-analysis of scientific literature
10:34 - What Garmin does well: Reliable heart rate and recovery metrics
13:21 - Conclusion: Garmin as a sports tracker vs. sleep tracker
▬▬▬▬▬▬▬▬▬▬👇DISCOUNTS/AFFILIATES*!👇▬▬▬▬▬▬▬▬▬▬
🔴 Eight sleep best $$$ (€) discount*: eight-sleep.ioym.net/TheQuantifiedScientist + add code “TQS” for full discount
🔴 Whoop Strap MG / 5.0*: join.whoop.com/QuantifiedScientist
(best $$$ off any new WHOOP membership)
🔴 Oura Ring Link: I recommend you search for a discount on reddit with the "Refer-A-Friend" program! If you can’t find one: ouraring.sjv.io/Oura4 * (affiliate link that supports the channel, but doesn't have a discount)
🔴 Anything on Amazon*: geni.us/thequantifiedscientist
🔴 Best Running app Runna*: web.runna.com/redeem?code=QUANT
🔴 Strava Premium 20%*: strava.com/subscribe/checkout?code=QUANTIFIEDSCIENTIST
🔴 Levels CGM app best offer $$$ (USA only!)*: levels.link/QS
🔴 Anything on Amazon*: geni.us/thequantifiedscientist
☝️Affiliate* (paid) links. Supports the channel, doesn't cost you any more!☝️
🟢 Instagram: instagram.com/quantified_scientist
🟡 Strava: strava.com/athletes/5206985
🟠 Shorts: youtube.com/@smartwatchshorts
🔵 Newsletter: robterhorst.com
🟡 Twitter: @QuantifiedRob
* Affiliate (paid) links support the channel by earning me a commission on any sale, and it doesn't cost you any more! My opinions are completely my own, and this content is not sponsored.
▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬
🟡 Support the channel by becoming a member🙏:
youtube.com/channel/UChNWxrTlmh4IRSevon1X93g/join
PodCast: (soon to come) youtube.com/@FitForScience @FitForScience
Subscribe: youtube.com/@TheQuantifiedScientist?sub_confirmation=1
Video edited by Alex: https://linktr.ee/allexb
📸My Gear* (paid links, supports the channel and doesn’t cost you any more)📸
Camera body (main): geni.us/SonyA6600_body
Camera lens (main): geni.us/SigmaContemporary
Camera (B-roll 1): geni.us/Sony_ZVE1
Camera (B-roll 2): geni.us/CanonEosM50MarkII and geni.us/Sony_ZVE10
Light: geni.us/Godox_VL150
Softbox: geni.us/NiceFotoSoftbox
Light stand: geni.us/WalimexLightstand
▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬
Reference devices:
ZMax + Dreamento: biorxiv.org/content/10.1101/2023.08.18.553744v1 & github.com/dreamento/dreamento
Polar H10: pubmed.ncbi.nlm.nih.gov/31004219
🔴 Polar H10: geni.us/hnXc
00:00 - Introduction: Garmin's sleep stage tracking performance
01:02 - First Line of Evidence: University of Salzburg sleep study results
05:56 - Second Line of Evidence: Personal N=1 testing against EEG
08:48 - Third Line of Evidence: Meta-analysis of scientific literature
10:34 - What Garmin does well: Reliable heart rate and recovery metrics
13:21 - Conclusion: Garmin as a sports tracker vs. sleep tracker
