the shape of missing records
Sixty-three voids hold gaps of 1–14 missing calendar dates between observed sleep windows. They account for 162 missing dates inside the February 12, 2018–August 15, 2022 observed span. Seven longer recording breaks are omitted from this view, and the remaining lenses are rescaled together. Longer breaks can reflect changes in devices or recording coverage. Dates outside the observed span are not counted.
The enclosed area of each lens is proportional to its count of missing dates. All lenses share one shape; every dimension scales with the square root of that count. The packing places them without overlap. Position and orientation are compositional, and neither lens width nor lens height is a time axis.
The yellow half and triangle mark the last observed boundary; the blue half and square mark the next observed boundary. These colors indicate before and after, not sleep sources or mood. The center turns red on selection. The reader gives the exact missing-date bounds, count and adjoining observed values.
These are holes in recording coverage. They do not mean no sleep, illness, or an episode. A lens does not estimate any missing sleep duration, and adjoining observations are never connected as if the gap were measured.
Select a form with a pointer or touch. Left/right moves through observations chronologically; Home/End selects the bounds. Enter opens this panel; Escape restores the whole artwork when the canvas has focus. The chronological table supplies every observation encoded here.
Full collection method · Nine forms