Apple, Oura, Whoop & Co. – so (un)nötig ist Schlaftracking | BUY BETTER SWR

How good are sleep trackers really? And is sleep tracking useful – or just pure stress? 🛌✨ We tested the Apple Watch 11, the Oura Ring 4, and Whoop 4.0 in a self-experiment in a sleep lab and compared them to the gold standard – polysomnography. In this video, Lea from BUY BETTER finds out: ✅ how reliable the wearables' data is, ✅ how sleep phases are measured, ✅ and what experts say about sleep trackers. Plus: 💡 tips for better sleep even without expensive gadgets, data privacy with wearables, and why sleep tracking can sometimes do more harm than good. ----------- 0:00 - Sleep tracking: useful or not? 1:10 - How do sleep trackers work? Heart Rate & Movement 1:42 - Self-Test: Apple Watch 11 vs. Oura 4 vs. Whoop 4.0 2:17 - What is Polysomnography? Sleep Measurement in the Lab Explained 3:00 - Sleep Duration and Sleep Stages: Light Sleep, Deep Sleep, REM Sleep 4:57 - Sleep Trackers Tested vs. Polysomnography - Analysis in the Sleep Lab 6:34 - Sleep Tracking Compared: Apple Watch vs. Whoop vs. Oura Ring 8:17 - How Reliable and Accurate Are Sleep Trackers? Experts Explain 9:30 - Sleep Score and Sleep Analysis in the Morning: Opportunity or Stress Factor? 11:04 - What Manufacturers Say About the Weaknesses of Their Devices 11:25 - Improve Sleep with Sleep Tracking? 13:48 - Data Privacy with Wearables 14:11 - Optimize Sleep? Tips for Better Sleep from Sleep Experts 3:11 PM - Conclusion: How Useful Is Sleep Tracking with Wearables? ------------ This video is part of BUY BETTER, a format by SWR. It was published on February 5, 2026, on the ARD Marktcheck channel. By the way: Since BUY BETTER belongs to ARD, you can download this video for free and watch it offline on the go. 😊 ---------------- 📢 Do you track your sleep – and what are your experiences with it? Let us know in the comments! 🔔 If this video helped you, please give it a like and subscribe to ARD Marktcheck for more exciting investigations. Subscribe here:    / @marktcheck   👋 WELCOME TO BUY BETTER! You're probably already familiar with the exciting consumer tips from SWR Marktcheck, NDR Markt, super.markt rbb, WDR Markt, Eine Minute Geld, ECHT?, and FYI - Our Research, Your Advantage. BUY BETTER complements the diverse content on the ARD-Marktcheck YouTube channel. Every other Thursday at 5 p.m., we release new and exciting videos on this channel, taking you behind the scenes of products and services and uncovering social media hype. 🔍 ✔ Our hosts Clara Kaltenbacher, Lea Spraul, and Marcel Aburakia explain how to make smart and sustainable purchasing decisions. Or simply how to be prepared to share the most interesting background information with your friends next time you're chatting with them. ...`` ``` ```` ```````` ]` ]` ] 🎥 Our Team: Authors: Hanna Spanhel, Lea Spraul Host: Lea Spraul Camera: Andreas Bulling, Hanfried Rothe Sound: Wolfgang Steiner, Tim Babel Editing: Oliver Kirschig Graphics: Philipp Kurass Editorial Team: Janika Müller, Marc Stephan Editorial Management: Max Sprengart-May, Marc Stephan Image Sources: SWR, Whoop, Colourbox, Adobe Stock / Towfiqu Barbhuiya, Adobe Stock / Just Me.Creative, Oura-App --------------------- ►    • Gewichtsdecken: Helfen sie wirklich gegen ...   ►    • Super Patches: Pflaster gegen Schmerzen, S...   ►    • Daunenkissen im Test: Günstig vs. teuer – ...   ►    • Apple im Krisenmodus? | BUY BETTER SWR   --------------------- ► You can find a detailed article on sleep tracking here: https://www.swr.de/leben/verbraucher/... --------------------- ► More current information on our homepage: https://marktcheck.ard.de ► More practical everyday tips and tricks on our Facebook page:   / ard.marktcheck   ► We look forward to your comments – but please observe our netiquette: https://ard.de/die-ard/netiquette-100 ► Our legal notice: https://www.swr.de/impressum/ ► Our privacy policy: https://www.swr.de/datenschutz #sleeptracker #sleepanalysis #ouraring #applewatch