Clinical Characteristics of Sleep Disorders in Patients With Ulcerative Colitis

This study is documenting the sleep problems experienced by patients with ulcerative colitis (a type of inflammatory bowel disease that causes chronic inflammation in the colon). It aims to understand how common sleep disorders are in this group and what factors contribute to them. **You may be eligible if...** - You have been diagnosed with ulcerative colitis according to standard Chinese medical guidelines - You have complete medical records and are willing to give informed consent **You may NOT be eligible if...** - You have a prior history of mental illness or are taking anti-anxiety or antidepressant medication - You have digestive system cancer or serious heart, lung, liver, or kidney disease - You have taken medications that affect heart rate or the nervous system (like beta-blockers or calcium channel blockers) in the past 2 weeks - You have consumed stimulants like cigarettes, alcohol, tea, or coffee in the past 24 hours Talk to your doctor to see if this trial is right for you.