Silence is golden, especially in the bedroom. If you want it dead quiet, consider a fanless design or a QNAP HS-453DX. If not, anything with larger, quality fans that run at a lower RPM will generally be quieter. Replacing stock fans with high-quality aftermarket ones like Noctua can also make …
M8, sounds like it's stuck in some weird cycle. I'd suggest rebooting it completely - yeah like turn it off n on again lol. Also check if the sensors are clean, sometimes mine goes bonkers and it's just dust or something.