Is reading aloud helpful?

Is reading aloud helpful? Hi. My stuttering problem is not that big. In scale of 1-10 I'd give it a 4. However, when I start to get tired, e.g. after spending couple of hours in school, I tend to have extremely frustrating blocks. I just don't have energy to be putting effort into my speech constantly. Is the most basic practice I can think of like reading anything aloud for an hour every day worth it? Have you tried it? How long did it take you to notice results?