Effect of Magnesium Supplementation on Sleep Quality and Cognitive Function in Saudi Adults

Inclusion Criteria: * Adults aged 18 years and above * Poor Sleep Quality (\>5 PSQI score) * Living in Saudi Arabia Exclusion Criteria: * Children less than 18 years old * Good Sleep Quality (5 or less PSQI score) * Pregnant or breastfeeding * Current smoker * History of sleep disorder * History of cognitive impairment * Diagnosed with a disease (e.g. diabetes, hypertension, celiac, psychiatric disease) * Acute phase of diseases (e.g. cardiovascular) * History of head injury (e.g. accident) or neurological disorders (e.g. seizures)/neurodevelopment disorders * Use of prescribed medications within the past 3 months that may influence sleep * Current use of hormone therapy (e.g. thyroxine, insulin, growth hormone, contraceptives) * Use of dietary supplements within the previous 3 months (e.g. vitamin D, omega-3..etc) * Food allergies/intolerances (e.g. eggs, nuts, milk) * Excessive caffeine consumption (\>450 mg/day, more than 4 cups) * Shift worker or work schedules that cause irregular sleep patterns * History of travel to a different time zone in the previous month * Experiencing events that may cause severe stress for the previous 6 weeks from baseline (e.g. divorce or death or acute illness of a family member) * Has children between 0-2 years