Inclusion Criteria:  1) Age range: from 18 to 25 years 2) Diagnosed with T1D for at least 6 months 3) No other major health problems (e.g., chronic medical condition or major psychiatric illness 4) Not currently participating in any intervention studies 5) Read/speak English 6) Have a most recent A1C or eA1C value ≥ 7%.  Exclusion Criteria:  1) Previous OSA diagnosis/high-risk sleep apnea 2) Current pregnancy 3) Night shift workers 4) Habitually sleep > 7 hours on work or school days.