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Longitudinal Sleep Tracking Study

This page contains information for anyone participating in the WITHIN Longitudinal Sleep Tracking Study. If you have a question please check out our FAQs page linked below, or contact us by email.

Useful links/resources:

How to use your ActiWatch & Survey Signals Video:
This video has been put together by our team to help with setting up your ActiWatch and Survey Signals registration on the first day of participation. If you have any questions or issues with setting up for your sleep-tracking period, please get in touch with us and a member of our team will be happy to provide individualised help!

  • To view the video, press play.
  • To turn captions on/off click the button in the bottom right hand corner and select 'captions'.
  • To download an audio descriptive transcript please click here


Contact us:


Tel. 07385600421 (9am-4pm Mon-Fri), if we are unavailable to take your call please leave a message and we will get back to you.