Online sleep questionnaire screenshot CRD1a-CRD1d, showing appearance as seen by participants circa 2022

This resource can be downloaded or viewed using the link: 14_sleep_CRD1a-CRD1d.png

If you have wget available (typically on linux systems), then you can also obtain a copy using the command

 wget  -nd  biobank.ctsu.ox.ac.uk/ukb/ukb/images/14_sleep_CRD1a-CRD1d.png