Wearable Sleep Data Visualization Using Bar and Line Graphs
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Solution Overview
Problem
Wearable devices with limited display space face challenges in effectively presenting and understanding sleep data, making it cumbersome for users to monitor their sleep patterns.
Innovation Solution
A wearable device is configured to display sleep data by graphically representing the latest sleeping period as a bar on a display, with average starting and ending times shown as lines, allowing users to visualize their sleep patterns over multiple days, including previous periods, and accounting for time zone changes and irregular sleep data.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If sleep data is displayed in detailed text format, then information completeness is improved, but display space consumption increases and user understanding becomes more difficult
Solution Approach 1:
The patent creates a visual copy of sleep data using graphical elements (bars, lines, icons) that represent sleep periods, duration, and quality without requiring detailed numerical tables. The bar length represents sleep duration, position relative to average lines shows deviation, and color coding indicates sleep quality, allowing users to grasp key information at a glance.
Solution Approach 2:
The patent employs color coding to represent different aspects of sleep data: green bars indicate good sleep quality, yellow indicates moderate quality, and red indicates poor quality. This visual encoding allows users to quickly assess sleep patterns without reading detailed text descriptions.
2Measurement precision
If comprehensive sleep data is presented, then information accuracy is improved, but display complexity increases on limited screens
Solution Approach 1:
The patent segments sleep data into distinct visual components: individual bars represent separate sleep periods, horizontal lines represent average sleep times, and specific icons represent sleep events. This segmentation allows comprehensive data to be organized in a structured, easy-to-parse visual format that maintains accuracy while reducing complexity.
Solution Approach 2:
The patent transforms one-dimensional numerical sleep data into two-dimensional graphical representation. The horizontal axis represents time, the vertical position represents deviation from average, and bar length represents duration. This dimensional transformation encodes multiple data points in a compact visual space.
3Loss of information
If average sleep patterns are calculated and displayed, then sleep pattern understanding is improved, but calculation and processing time increases
Solution Approach 1:
The patent calculates and stores average sleep patterns in advance based on historical data, so that when displaying sleep information, the device can immediately compare current sleep data against pre-computed averages without performing real-time calculations. This preliminary processing reduces display generation time while maintaining comprehensive pattern analysis.
4Ease of operation
If graphical representation is used to simplify display, then user understanding is improved, but information density on display decreases
Solution Approach 1:
The patent merges multiple data attributes into single visual elements: each bar simultaneously encodes sleep duration (length), timing (horizontal position), deviation from average (vertical position), and quality (color). This merging allows high information density within compact graphical representations that remain easy to understand.
Data Source
AI summary
There is provided a wearable device comprising at least one processor; and at least one memory including computer program code, the at least one memory and the computer program code configured to, with the at least one processor, cause the wearable device at least to perform: obtaining a starting time of a latest sleeping period; obtaining an ending time of the latest sleeping period; displaying, on a display of the wearable device, a first line illustrating an average starting time of a sleeping period calculated based on a plurality of sleeping periods over a plurality of days; displaying a second line illustrating an average ending time of a sleeping period calculated based on the plurality of sleeping periods over the plurality of days; and displaying the latest sleeping period graphically as a bar such that a first end of the bar indicates the starting time and a second end of the bar indicates the ending time, wherein the first end and the second end are displayed relative to the first line and the second line, and wherein a length of the bar indicates a length of the latest sleeping period.