Internet addiction has become increasingly prevalent among medical students and may negatively affect sleep quality and academic performance. This cross-sectional study aims to assess the prevalence of internet addiction among medical students at Sohag University and evaluate its relationship with sleep quality and academic achievement using validated assessment tools.

Inclusion Criteria:

• Medical students in Sohag university
• Students who agree to participate in the study.

Exclusion Criteria:

• • Students with known psychiatric illness (e.g., major depressive disorder, schizophrenia).

  • Students with diagnosed neurological disorders or primary sleep disorders (e.g., epilepsy, narcolepsy, obstructive sleep apnea).
  • Students who decline participation.

All undergraduate medical students at Sohag University, Egypt during the academic year of data collection will be eligible to participate in the study.