Laptop fails to enter sleep after upgrading to kernel 6.7.6

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LTS Kernel for Tumbleweed Available. How to switch over?

I just saw in the Engineering Minutes on the Factory Mailing List that there is now an LTS kernel (6.6.x) option specifically for Tumbleweed users. How would one go about switching to this kernel on an existing Tumbleweed install? I have nothing nice to say about kernel 6.7.x so far, and I would love to take advantage of this.