Diagnosed with multiple sclerosis by a specialist physician

Aged between 18 and 65 years

No MS relapse within the last 3 months

Expanded Disability Status Scale (EDSS) score between 1.0 and 5.0

Ability to stand independently for at least 60 seconds without the use of any assistive device

No additional neurological disorder or circulatory/visual impairment that may affect balance

Cognitive function score \>24 on the Mini-Mental State Examination (MMSE)

Provided written informed consent after receiving detailed information about the study

Evaluation of Interoception, Fatigue, and Upper and Lower Extremity Functional Capacity in Multiple Sclerosis Patients With Good and Poor Sleep Quality