Nocturnal ambulatory blood pressure measurement Authors' replyBMJ 1994; 309 doi: https://doi.org/10.1136/bmj.309.6953.543 (Published 20 August 1994) Cite this as: BMJ 1994;309:543
- R J O Davies,
- J R Stradling
- The Churchill Hospital, Headington, Oxford OX3 7LJ.
EDITOR, - If we have understood Shennan et al's letter about our recent paper on ambulatory blood pressure during sleep2 correctly, then the main problem is that they have assumed that the orienting reflex which is activated during arousal from sleep is due to the …