Delta t research | The Delta t questionnaire

Sleeping behaviour

Delta t would like to build up a statistical analysis of the sleeping behaviour of those visiting our home page.
If you would like to take part in this we require the following information from you:

from until
at any time of day, but for at least hours
from until
at various times of day for hours
Date Time Place of birth
male female


∆t Network (answers optional)

In our network of late riser-friendly services we would like to inform our members which services and products
they can obtain from other members and even from non-members at alternatively-normal times.
If you would like to take part in this we require the following information:
(if you do not have a service or product to offer, you can simply leave this part blank and only send in the questionnaire)

from until
on the following days