This study explores whether user experience (UX) nudges can help young adults reduce their screen time on social media, specifically on TikTok, and whether they find these nudges useful. Many social platforms are designed to be addictive, and traditional digital self-control tools are often ignored. In this study, 11 participants aged 18-25 tested two UX nudges over one week: a short breathing exercise and a self-imposed timer, both shown before using the app. Data was collected through screen time measurements and pre- and post-intervention interviews. The average screen time decreased by 193 minutes (35.8%), but the change was not statistically significant. However, most participants said the nudges made them more aware of their usage and helped them reflect before scrolling. The qualitative data was analyzed using inductive content analysis, showing themes like increased awareness, behavioral change, and irritation due to repetition. While some participants found the nudges helpful, others wanted more customization or found them annoying. The study suggests that nudges can support more mindful use of social media, even if they do not always lead to major behavior changes. It highlights the importance of designing interventions that balance helpfulness with user comfort. Further research with a larger group and longer duration is needed to better understand the long-term impact.