If a fan is a component of any product, it will make at least some noise. That is true for all items with integrated fans, and grow lights for vegetables are not an exception. The noise ratings will depend on the fan. If you use a small unit with a single tiny fan, the noise could be unnoticeable. However, large lights with a couple of fans could be louder than expected. Still, it is a nice choice if you have a special room for growing the plants. As long as you sleep in the other room, the fan noise won’t disrupt your sleeping or other activities.