The Great British
Sleep Survey

How well do you sleep?

Discover your sleep score in 30 seconds and your full sleep profile in just a few minutes.

Start your sleep survey
  • About this survey

    The Great British Sleep Survey is the largest ever survey of the nation’s sleep. The results will be used to aid research by some of the world’s leading sleep scientists and raise the profile of the importance of sleep.

  • Supported by

    • University of Oxford
    • Sleepio

Terms and Conditions

  • Survey small print

    These terms and conditions cover use of and and all associated subdomains (“the survey”).

  • Participation and data privacy policy

    This survey is managed by Sleepio Limited. We are committed to protecting and respecting your privacy.

    The full survey involves about 80 questions, depending on your responses, and will take about 5-10 minutes to complete.

    We are committed to: protecting the confidentiality of personal information in any form; complying with best practice in relation to obtaining, recording, holding, using and disclosing information; and conforming to statute law (including the Data Protection Act 1998 and the Human Rights Act 1998).

    We, or our collaborators at the University of Oxford, may publish aggregate information about our users (for example, that men aged under 30 have the worst sleeping habits in the UK) in the context of providing public health information, conducting academic research and/or marketing and publicity. However, we will not publish individual or personally identifiable responses.

    If you decide to provide your email address, you are consenting for Sleepio to contact you about opportunities to take part in sleep-related research.

    You can complete the survey without entering your email address. Please note that if you don't provide your email address, we won't be able to identify your data to remove it from the dataset. If you have provided your email address and you later decide to withdraw your data after completing the survey, please contact us at

    We will not disclose information about identifiable individuals to third parties except in cases described below under 'Disclosure of your information’.

  • IP addresses and cookies

    We may collect information about your computer, including where available your IP address, operating system and browser type, for system administration and to report aggregate information to our advertisers. This is statistical data about our users' browsing actions and patterns, and does not identify any individual.

    For the same reason, we may obtain information about your general internet usage by using a cookie file which is stored on the hard drive of your computer. Cookies contain information that is transferred to your computer's hard drive. They help us to improve our site and to deliver a better and more personalised service. You may refuse to accept cookies by activating the setting on your browser which allows you to refuse the setting of cookies.

  • Disclosure of your information

    We may disclose your personal information to any member of our group, which means our subsidiaries, our ultimate holding company and its subsidiaries, as defined in section 736 of the UK Companies Act 1985.

    We may disclose your personal information to third parties:

    • In the event that we sell or buy any business or assets, in which case we may disclose your personal data to the prospective seller or buyer of such business or assets.
    • If Sleepio Limited or substantially all of its assets are acquired by a third party, in which case personal data held by it about its customers will be one of the transferred assets.
    • If we are under a duty to disclose or share your personal data in order to comply with any legal obligation, or in order to enforce or apply our Terms and other agreements; or to protect the rights, property, or safety of Sleepio Limited, our customers, or others. This includes exchanging information with other companies and organisations for the purposes of fraud protection and credit risk reduction.
  • Changes to our privacy policy

    Any changes we may make to our privacy policy in the future will be posted on this page.

  • General health advice

    Information provided on this website is intended for non-medically trained individuals.

    It does not constitute medical advice and should not be seen as a replacement for consultation with a doctor or other healthcare professional. The information provided by the survey is provided with a view to helping you to assess your health and sleep.

    It is not a substitute for seeing your doctor or pharmacist. If you are concerned about your sleep problem or sleepiness symptoms or have any other concerns or questions about your health or medicines, you should always consult an appropriate healthcare professional.

    Care has been taken to confirm that the information presented is accurate. If we find, or are alerted to, a mistake, we will correct it as quickly as possible. However, to the fullest extent permitted by law, the authors, editors and publishers are not responsible for errors or omissions, or for any consequences arising from application of the information on this site, and make no warranty, express or implied, with respect to the contents, completeness or accuracy of the material published.

  • General

    We have taken every care in the preparation of the content of this website, however we cannot guarantee uninterrupted and totally reliable access, and so therefore cannot guarantee that the information will always be completely up to date and free of mistakes. To the extent permitted by applicable law, Sleepio Limited disclaim all warranties; express or implied, as to the accuracy of the information contained in any of the materials on the website and will accept no liability for any loss or damage arising as a result of problems with access.

    Sleepio Limited shall not be liable to any person for any loss or damage, which may arise from the use of any of the information contained in any of the materials on the website.

    If any provision of these terms and conditions shall be unlawful, void or for any reason unenforceable then that provision shall be deemed severable and shall not affect the validity and enforceability of the remaining provisions.

    Sleepio Limited reserves the right to alter these terms and conditions from time to time by posting new terms and conditions on the website. By your continued use of the website you accept and agree to any such new terms and conditions.

  • Intellectual Property Rights

    The layout, design, content and graphics on this website are protected by UK and other international copyright laws. You may not create any derivative work or make any other adaptation, without prior written consent from Sleepio Limited.

  • Accessibility Policy

    At we aim to make our website accessible to all users, regardless of disability. Please note, however, that we rely on JavaScript, which may not be fully accessible in a screen reader. Please contact us if you have any issues.

  • Contact

    If you experience any difficulty accessing this website, please do not hesitate to contact us by emailing

    The website is owned and managed by Sleepio Limited (Registered in England and Wales No. 06780612. Registered office: 2nd Floor, 60-62 Commercial St, London, E1 6LT).