World Database of Happiness
Archive of research findings on subjective enjoyment of life

This database
What is this World Database of Happiness? Concept Overview Elements of the finding archive Glossary How to add to this source How to cite this source How to search in this database: Overview of options How to support this database IT behind this database Services Key points by language Reasons for this database Development history Uses of this database
Collections
Bibliography
What is this Bibliography of happiness? Contents Introductory text How to search Subject classification Search Directory of Happiness Investigators
Measures of Happiness
What is this collection Measures of Happiness? Contents Introductory text Examples of measures of happiness How to search Search
Distributional findings on happiness
What is this Collection of Distributional Findings on Happiness? Findings on Happiness in Nations
What is this collection of Distributional Findings on Happiness in Nations? Contents Introductory text
Findings on Happiness in Publics
Introductory text Classification of special publics
How to search Search
Correlational findings
What is this Collection of Correlational Findings on Happiness? Contents Introductory text How to search Subject classification Specification variables Search
Search
How to search in this database: Overview of options Bibliography Studies Happiness Measures Distributional findings Correlational findings Search all
Reports
Overview of reports Reports on happiness in nations
Related
Dataset ‘States of nations’
What is this dataset ‘States of Nations’? User information States of Nations by Topic (macro variables) States of nations by Theme
Data set ‘Trends in nations’
What is this data file ‘Trends in Nations’? Variables in data file ‘Trends in Nations’
Data on Trend Average Happiness in Nations Data on Trend Inequality of Happiness in Nations Data Trend Inequality-Adjusted Happiness in Nations Data Trend Happy Life-Years in Nations Data on Trend Life-Expectancy in Nations

International Happiness Scale Interval Study
What is this International Happiness Scale Interval Study? Method Flyer Scale Interval Recorder Trial version International Happiness Scale Interval study Survey questions Investigators Studies Publications
Research Field
Journals on happiness and wider well-being Research associations on subjective well-being Conferences on happiness Research institutes on Happiness Databases on happiness Key literature on happiness
FAQs
FAQs about happiness FAQs about this World Database of Happiness FAQs about searching in this World Database of Happiness
About us
Organization Home team: Current Home team: Veterans List of associated researchers Arrangements for associated researchers
Join us
Sponsor the World Database of Happiness
Sponsor the database as a whole Sponsor a topic in this database Arrangements for sponsors List of sponsors
Join as an associated researcher
Arrangements for associated researchers List of associated researchers
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Correlational subjects

Correlational Subjects » SLEEP » Attitudes to sleep

Classification path:: SLEEP Attitudes to sleep

The World Database of Happiness is based in the Erasmus Happiness Economics Research Organization EHERO of Erasmus University Rotterdam in the Netherlands. Director: Ruut Veenhoven.