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Sleep sensor not working, Watch Ultra

(Topic created on: 23-07-2025 07:12 PM)
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Weeman81
Student

‎23-07-2025 07:12 PM

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Had my watch ultra nearly 12 moths and well chuffed untill recently when the sleep tracker suddenly started recording erra ltic sleep patterns and as of last week it has now stopped working completely!?!?!

I rely on this heavily as I have sleep apnea so like to see the records it supplies.

I've contacted support 3 times to which all basic troubleshooting has been done, lost count how many times I factory reset it, and now the latest is that its a software issue with the oneUI release, and its a waiting game untill they have sorted it...... come on #samsung really, can't i just send it back to be looked at!! Not impressed for saying I've been with samsung through life and have a house full of samsung brands...... what's going on!?!?
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3 REPLIES 3
arianwen27
Samsung Members Star ★

‎23-07-2025 07:16 PM - last edited ‎23-07-2025 07:17 PM

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I know it's probably something you've already tried but make sure the bottom of the watch is clean. The temperature sensor can be hard to clean correctly.

Since you've tried resets already, I don't have much else to suggest besides make sure you're wearing it correctly, which you probably are.

System/update bugs are the one thing no one but samsung can fix. So just try things?
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Weeman81
Student

‎23-07-2025 07:29 PM

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Yep clean every night haha, just trying uninstall and re-installs, seems a common problem
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Duilsk
Apprentice

‎31-07-2025 10:50 AM - last edited ‎31-07-2025 10:51 AM

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QICK FIX... 

So this is an issue with the permissions. They removed the option to allow access to the sensors "all the time" which means the app can't access the sensors when you aren't using the app which you obviously can't do while sleeping. 

A quick fix is to open Samsung health on both your watch and phone just before you go to sleep and also if you wake in the night or it will stop tracking your sleep again. This fixed it for me. It's not ideal but it's something for now. 

I've spoken to customer service, I've spoken with support, I've messaged them through the members app but they don't listen, they just don't seem to care.

Let's hope they fix it soon. In the mean time hopefully the fix that worked for me will work for you too. 

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