Soy Isoflavone Tablets: Effects on Sleep, Quality of Life, Symptoms and Cognitive Function in Menopausal Women

Soy Isoflavone Tablets: Effects on Questionnaire and Actigraphic Measures of Sleep, Symptoms as Measured by the Women's Health Questionnaire and Cognitive Function as Measured by Computerized Cognitive Performance Tests in Menopausal Women

The study was done to elucidate relationships between midlife women's self-reported hot flashes, neuropsychological symptoms, cognitive performance or sleep.

Inclusion criteria:

• At least 5 hot flash episodes and/or night sweats per 24 hours

Exclusion Criteria:

• Body mass index (BMI) more than 34 kg/m2
• Hypertension
• Shift work
• Psychiatric or medical conditions that would affect outcome measures
• More than 4 caffeine drinks per day
• More than 10 cigarettes per day
• More than than 7 alcohol drinks per week