You can respond anonymously, and no data will be retained from this assessment. If you choose to include your initials and an email address, your results will be automatically sent to the email address provided. Please check that the email address has been entered correctly before submitting this form. All client information is managed on a strictly confidential basis. Please Note: Whilst every effort is made to ensure that our system is securely encrypted, email is not a completely secure means of communication. Think CBT does not accept liability for loss or theft of personal data where any individual chooses to transmit or receive information via email. This assessment provides an indication of how tiredness and levels of sleepiness effect your normal daily functioning.