During sleep, the blood pressure of human beings _______.

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JKSSB SI Official Paper (Held On: 12 Dec 2022 Shift 2)
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  1. Increase
  2. Decrease
  3. First decrease and then increase
  4. Remain same

Answer (Detailed Solution Below)

Option 2 : Decrease
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Detailed Solution

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The correct answer is Decrease.

Key Points

  • During sleep, the body's metabolic rate decreases, resulting in lower demand for oxygen and nutrients, which in turn decreases blood pressure.
  • Blood pressure levels typically fall by 10-20% during sleep, reflecting the body's state of rest and reduced activity.
  • Lower blood pressure during sleep helps in reducing the workload on the heart and allows for repair and maintenance of the cardiovascular system.
  • Various physiological changes such as decreased heart rate and relaxation of blood vessels contribute to the overall decrease in blood pressure during sleep.
  • Consistent sleep patterns and duration are important for maintaining healthy blood pressure levels and overall cardiovascular health.

Additional Information

  • Blood Pressure (BP): Blood pressure is the force exerted by circulating blood on the walls of blood vessels, measured in millimeters of mercury (mmHg).
  • Systolic and Diastolic BP: Systolic BP is the pressure in arteries during the contraction of the heart muscles, while diastolic BP is the pressure during relaxation between heartbeats.
  • Hypertension: Chronic high blood pressure is known as hypertension, a major risk factor for heart disease, stroke, and other health issues.
  • Sleep Stages: Sleep consists of various stages including REM (rapid eye movement) and non-REM sleep, with non-REM sleep being particularly associated with decreased blood pressure.
  • Sleep Quality: Poor sleep quality or sleep disorders like sleep apnea can disrupt normal blood pressure patterns and increase the risk of hypertension.
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