Sleep Column Scrubber
A sleep consistency screen: two weeks of nights as capsule columns on a time axis, each running from falling asleep to waking and striped with its sleep stages (awake, REM, core, deep), over a shaded ideal-bedtime band, a hatched usual wake-up band and lines at the average fall-asleep and wake times. Dragging across the chart widens and rings the night under the finger, dims the others to 70 %, slides a white day badge under it and moves a white label above it whose start and end times roll digit by digit.
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React Native · Expo SDK 52+, TypeScript
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