English:
Percentage of Canadian Population that is Asleep, by Time of Day
graph by Statistics Canada; slow reveal by Jenna Laib
Français:
Pourcentage de la population en train de dormir, selon l’heure de la journée
par Statistics Canada; dévoilement progressif — Jenna Laib
Purpose
Type of Graph: area graph
This slow reveal is designed to support analysis and discussion of both the data and the design choices. The questions in the slide deck invite learners to examine trends, relationships, and possible interpretations. This graph invites students to the estimate values; discuss variables, piecewise data, and functions; explore percentages; tell a story with data; and identify trends.
Cette révélation progressive est conçue pour favoriser l’analyse et la discussion, tant des données que des choix de conception. Les questions figurant dans le diaporama invitent les apprenants à examiner les tendances, les relations et les interprétations possibles. Ce graphique invite les étudiants à estimer des valeurs ; à discuter des variables, des données par morceaux et des fonctions ; à explorer les pourcentages ; à raconter une histoire à partir des données ; et à identifier des tendances.
About This Graph
This visualization is not provided for reuse or redistribution. Readers and educators are encouraged to view the original visualization in its published context.
Cette visualisation n’est pas fournie à des fins de réutilisation ou de redistribution. Les lecteurs et les éducateurs sont invités à consulter la visualisation originale dans son contexte de publication.
Original Visualization:
Statistics Canada. “A Canadian Bedtime Story.” Statistics Canada: March 12, 2026.
Accessed at: https://www.statcan.gc.ca/o1/en/plus/9093-canadian-bedtime-story
Statistics Canada Instagram: https://www.instagram.com/p/DV08ZN5DJfo/?img_index=1&igsh=anRiYnEycnQzYXJ4
Data Source:
Statistics Canada. Table 45-10-0105-01 Participation in selected activities over 24 hours, by type of day, gender, and age group
Accessed at: https://doi.org/10.25318/4510010501-eng
Note: this data set includes information about breakdown by gender, age group, and different activities. Worth checking out for some data science work!


In The Classroom
There are many different mathematical connections that can be made to this data and data visualization.
Potential Math Content: area graph, line graph, functions, piecewise data, identify trends, histograms, percentages, estimating values, noticing trends, variables, surveys, data collection methodology
Potential Content Connections: sleep, Canada, social statistics
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