The study is examining what happens to people when they 'are deprived of' sleep.
The change in her status 'deprived' her 'of' access to classified information.
The new environmental law will 'deprive' some fishermen 'of' their livelihood.
(..) - What if it tempt you towards the flood, my lord? Or to the dreadful summit of the cliff that overlaps his base into the sea'? And there assumes some other horrible form which might deprive you of your reason... ...and draw you into madness. Think of it - It waves me still, I'll follow it (..)2015 Hamlet