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If you're browsing this year's Memorial Day sales for a good deal on a top-rated sleep tracker, you're in luck as I've found five unmissable offers. The best deal so far is on the Apple Watch 11, down to $299 (was $399) at Amazon. There are four other good deals to consider too, including the Hivisuals Health and Sleep Tracking Ring, down to $35.99 at Walmart.I've spent over 3,000 hours testing the best sleep trackers on the market. This quest has involved countless hours of collecting sleep data, analysing the accuracy of metrics based on my perceived sleep experience, assessing software and hardware, and evaluating whether it's really worth the money. So, I know a good sleep tracker (and good price) when I see one.Here's what I recommend in this year's Memorial Day sales...At a glance: Today’s best sleep tracker dealsApple Watch Series 11: $299 (was $399) at AmazonHIVISUALS' Oura Ring alternative: $35.99 (was $41.99) at WalmartGarmin Index Sleep Monitor: $13.99 (was $169.99) at GarminThe best sleep tracker deals in the Memorial Day sales 2026You probably won't be surprised to hear that the wearables that performed best under our rigorous sleep tracking testing methodology come from Apple and Garmin. You can save between $30 and $100 on these for Memorial Day. Here are the trackers we've tested and love, along with more affordable alternatives...See all sleep tracker deals at AmazonSee all sleep tracker deals at WalmartSee all sleep tracker deals at Best BuyHow to choose a sleep tracker Set a budget that suits your needsThink about overnight comfort Think about whether you want to wear it in the daytime and which metrics you want to track