Cardiologist Warns: This Sleeping POSITION Increases STROKE Risk Overnight | Dr Michael Kent

Описание: #SeniorHealth #HeartHealth #StrokePrevention
Cardiologist Warns: This Sleeping POSITION Increases STROKE Risk Overnight | Dr Michael Kent

This video explores seven common nighttime habits that may significantly increase the risk of heart attacks and strokes in seniors, particularly between 2 AM and 6 AM. Based on insights from Dr Michael Kent, we reveal why certain routines—from the way you sleep to the timing of your medication—could be endangering your cardiovascular health.

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📚 RESEARCH REFERENCES

[1] Circadian Variation in Stroke Onset
Elliott WJ. Circadian variation in the timing of stroke onset:
a meta-analysis. Stroke. 1998;29(5):992-996.
https://doi.org/10.1161/01.STR.29.5.992

Manfredini R, Boari B, Smolensky MH, et al. Circadian variation
in stroke onset: identical temporal pattern in ischemic and
hemorrhagic events. Chronobiol Int. 2005;22(3):417-453.

[2] Sleep Position and Intracranial Pressure
General principles supported by neurosurgical literature on head
elevation and ICP management. Specific sleep studies limited but
physiological principles well-established.

Feldman Z, Kanter MJ, Robertson CS, et al. Effect of head elevation
on intracranial pressure, cerebral perfusion pressure, and cerebral
blood flow in head-injured patients. Neurosurgery. 1992;30(5):673-678.

[3] Body Position and Cardiovascular Function
Wennerblom B, Lurje L, Tygesen H, et al. Effect of body posture on
heart rate variability in patients with ischemic heart disease and
healthy controls. Clin Physiol. 2001;21(4):476-483.

Anatomical principles of cardiac positioning and venous return are
well-established in cardiovascular physiology textbooks.

[4] Vertebral Artery Blood Flow and Neck Position
Mitchell JA. Changes in vertebral artery blood flow following normal
rotation of the cervical spine. J Manipulative Physiol Ther.
2003;26(6):347-351.
https://doi.org/10.1016/S0161-4754(03...

Haynes MJ, Cala LA, Melsom A, et al. Vertebral arteries and cervical
rotation: modeling and magnetic resonance angiography studies.
J Manipulative Physiol Ther. 2002;25(6):370-383.

[5] Sleep Posture and Respiratory Function
Ibanez J, Raurich JM, Abizanda R, et al. The effect of lateral
positions on gas exchange in patients with unilateral lung disease
during mechanical ventilation. Intensive Care Med. 1981;7(4):231-234.

Vilke GM, Chan TC, Neuman T, Clausen JL. Spirometry in normal
subjects in sitting, prone, and supine positions. Respir Care.
2000;45(4):407-410.

[6] Alcohol and Nocturnal Blood Pressure
Kario K, Schwartz JE, Pickering TG. Changes of nocturnal blood
pressure dipping status in hypertensives by nighttime dosing of
alpha-adrenergic blocker, doxazosin. Hypertension. 2000;35(3):787-794.

Kawano Y, Abe H, Kojima S, et al. Acute depressor effect of alcohol
in patients with essential hypertension. Hypertension.
1992;20(2):219-226.

[7] Glymphatic System and Sleep Position (KEY STUDY)
Lee H, Xie L, Yu M, et al. The Effect of Body Posture on Brain
Glymphatic Transport. J Neurosci. 2015;35(31):11034-11044.
https://doi.org/10.1523/JNEUROSCI.162...

This landmark study demonstrated that lateral sleeping position
facilitates brain waste clearance more efficiently than supine
or prone positions.

Xie L, Kang H, Xu Q, et al. Sleep drives metabolite clearance
from the adult brain. Science. 2013;342(6156):373-377.

[8] Additional Supporting Research
Sleep position and health outcomes:
Gordon SJ, Grimmer-Somers KA. Your pillow may not guarantee a
good night's sleep or symptom-free waking. Physiother Can.
2011;63(2):183-190.

Gastroesophageal reflux and sleep position:
Khoury RM, Camacho-Lobato L, Katz PO, et al. Influence of
spontaneous sleep positions on nighttime recumbent reflux in
patients with gastroesophageal reflux disease. Am J Gastroenterol.
1999;94(8):2069-2073.


Disclaimer:
This video is intended for educational and informational purposes only and does not constitute medical advice. The content presented does not diagnose, treat, or cure any medical condition. Always consult a licensed healthcare professional before starting, stopping, or changing any diet, supplement, medication, or health routine—especially if you are over the age of 60 or have existing health conditions. Any examples, scenarios, or illustrations discussed are hypothetical and provided solely for educational purposes. Health-related decisions should always be made in consultation with a qualified medical professional.