Inclusion Criteria:  postmenopausal women age 45-65 years sedentary prediabetic or have at least 2 features of metabolic syndrome  Exclusion Criteria:  on hormone therapy smokers diabetes heart disease any acute or chronic inflammatory condition alcohol consumption of >7 drinks per week significant circadian disruption living with children under 2 years old shift work or irregular lifestyle diagnosed sleep apnea or sleep disorder extreme early or late chronotypes significant psychiatric disorders or ADHD history of dysregulated eating behaviors