If you suddenly get up while lying down, it may cause anemia and dizziness. You can lift your feet when you sleep, which can prevent this from happening. However, if you lift your feet too high and too extreme, it will give patients with hypertension a headache, so patients with hypertension should not exceed 20 cm. The reason for frequent urination at night is precisely because of edema and excessive water accumulation in both legs. In this case, falling asleep will lead to frequent urination in the middle of the night and affect the quality of sleep. About 4 hours before going to bed, the height of the foot pad is about 10 cm, which can discharge excess water from the body before going to bed. It only takes 10~20 minutes to prevent frequent urination at night, which is very suitable for the elderly to try.
When sleeping, put the foot pad high, which can relieve gout pain. If the joint of the foot breaks out, the foot with gout can be lifted to a position higher than the heart to cool down. When gout attacks, if the affected part is lower than the heart, it will lead to venous dilatation, and if it is higher than the heart, venous dilatation will be eliminated, which has a strong analgesic effect. In some special circumstances, it is good to sleep with your feet up. For example, work requires long-term standing, traffic police, teachers, long-term marching, long-term walking, patients with varicose veins of lower limbs, etc. Because they are easy to cause venous vasodilation of lower limbs, blood is easy to accumulate in lower limbs. By raising the lower limbs, the blood can fully return to the heart, which is beneficial to the fatigue recovery of the lower limbs.
Sleeping with your feet up has many benefits, but it is not suitable for everyone if they have cardiovascular disease. Try not to sleep with your legs crossed, because most heart attacks are prone to occur at night. If you sleep in this position, it may lead to severe ischemia of the heart and the height of lower limbs is higher than that of the heart. Make the blood return less, increase the burden on the heart and increase the oxygen consumption of the myocardium, so patients with cardiovascular diseases should try not to sleep like this. It is safer to sleep with your head high and your feet low.