Sleep Training App for the Night Shift Economy

Nurses. Paramedics. Warehouse crews. Factory lines. Police. Twenty million Americans work night shifts. Their schedules rotate weekly, sometimes daily. Every sleep app on the market assumes a consistent bedtime. The advice isn't bad. It's just useless for anyone whose Tuesday starts at 7pm and whose Thursday starts at 7am. 7 to 7 is a sleep coach that learns the rotation. Sync with Apple Watch or Fitbit. Input next week's schedule. The app builds a transition plan for the brutal flip from nights back to days. Night to day after 48 hours off? Delay sleep two hours each day. Block morning light until 10am. Caffeine cutoff moves to 2pm. The protocol shifts with the schedule. Build on iOS with HealthKit for sleep and heart rate. RPI's Light and Health Research Center has decades of circadian research that forms the science underneath. Onboarding takes three inputs: shift pattern, usual sleep hours, next start time. The system delivers a transition plan 48 hours before each rotation. Test with 20 ER nurses from r/nursing and shift work Facebook groups, tracking them through three full rotations. Store fatigue scores in Firebase and measure which protocols reduce exhaustion after the flip. Sixty transitions from nurses working real shifts become the dataset the recommendations run on. Charge $9.99/month for individuals. First users are already in nursing subreddits and shift work Facebook groups, trading sleep hacks and hoping something sticks. B2B is where the model scales. Hospital systems pay $10K-50K annually for unit-wide dashboards tracking sleep scores, fatigue trends, and correlation with sick days and turnover. Burnout costs hospitals $50K+ per nurse who walks out the door. A tool that keeps staff healthier pays for itself before anyone runs the numbers. The wellness industry built sleep apps for people with normal lives. Twenty million Americans don't qualify.

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