The answer to 'sink making noise' is that there are several common causes, including a clogged drain, worn-out plumbing components, or a problem with the sink's drain pipe. Symptoms may include gurgling, humming, or rattling noises coming from the sink.
In many cases, you can troubleshoot and fix a noisy sink yourself with some basic plumbing tools and techniques. However, if the problem persists or you're not comfortable working on the plumbing, it's best to call a professional plumber to diagnose and repair the issue.