Firefox sometimes can't load pages in new tabs until I restart it

I'm experiencing an intermittent issue with Firefox and I'm trying to figure out what might be causing it. Occasionally, Firefox stops loading pages in new tabs. If I open a new tab and try to navigate to any website, it won't load, it'll state "waiting for www.[anywebsite].com" forever. However, if I use a tab that was already open before the issue started, I can still navigate to different websites from that tab without any problems. The only reliable fix I've found is to completely close Firefox and start it again. One strange thing I've noticed is that, sometimes while this issue is happening, if I put my laptop to sleep and then wake it up again, Firefox starts working normally, including in new tabs, without needing to restart the browser. But this isn't a something that works everytime. I've already gone through the troubleshooting steps in the Mozilla Support article "Firefox can't load websites but other browsers can", but none of the suggested solutions resolved the issue. I also tried disabling all my extensions, one by one, but the problem still occurs. Has anyone seen this behavior before or knows what could cause it? Additional information: Firefox version: 152.0.2 (64-bit) (currently shows an available update requiring a restart, but it never seems to update even when enforced restarting) Operating system: Windows 1p Pro Version 10.0.18363 Build 18363 I'd appreciate any answers