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The Stack

Layers thatclarify chemistry.

Phone, estimate, Homekit, dose cues — stacked.

  1. Layer 1

    Your phone

    Reads light, movement, and sleep in the background.

    • Light and screen time
    • Sleep and wake times
    • Weekday vs weekend sleep
  2. Layer 2

    Body clock estimate

    Estimates your night timing from sleep. No lab. No spit test.

    • Sleep plus a short quiz
    • Runs on your phone
    • A range, not a fake exact time
  3. Layer 3

    Home sleep check

    Three Homekit nights make the estimate clinic-ready.

    • Temperature, heart, oxygen
    • Clinic-checked badge
    • Optional research share
  4. Layer 4

    Daily dose cues

    Six cues that move with your clock, not fixed alarms.

    • Light, food, meds, movement
    • Clear windows for your meds
    • One plan on your dashboard
Science & trust →