Hello what is the battery level ? For Aqara/Xiaomi 70% mean battery empty.
Others devices are working ?
What is the reacheable state ? is it grayed on Phoscon ? The device can have disconnect.
If you have the problem on all device, there is a bigger issue here Sensor status stops working after a short time - #16 by Smanar
If you have the GUI take a look on the node title (grayed or not) and his router, Xioami/Aqara can have router issue with some brand.