To dip or not to dip: on the physiology of blood pressure decrease during nocturnal sleep in healthy humans.

@article{Sayk2007ToDO,
  title={To dip or not to dip: on the physiology of blood pressure decrease during nocturnal sleep in healthy humans.},
  author={Friedhelm Sayk and Christoph Becker and Christina Teckentrup and Horst-Lorenz Fehm and Jan Struck and Jens Peter Wellhoener and Christoph Dodt},
  journal={Hypertension},
  year={2007},
  volume={49 5},
  pages={1070-6}
}
That sleep is accompanied by a blood pressure decrease is well known; however, the underlying physiology deserves further investigation. The present study examines in healthy subjects 2 main questions: is this dipping actively evoked? and what are the consequences of nondipping for daytime blood pressure? Nocturnal blood pressure was extrinsically elevated in 12 sleeping subjects to mean daytime values by continuously infused phenylephrine. This nondipping significantly lowered morning blood… CONTINUE READING
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