2006-06-19 06:16:56 · 14 answers · asked by speedy21747 2 in Health ➔ Other - Health
Because of the blood rushing back into your foot. When your foot "falls asleep" you squeeze the capilaries (not veins), you stop blood flow, how ever this is minor and rarely becomes a problem how ever it has been recorded to do so. So when you release the presure on your legs, the capilaries are returned to normal flow, and blood rushes back.
2006-06-19 06:20:19 · answer #1 · answered by The All-Knowing Sam 4 · 0⤊ 0⤋
OK despite what everyone has written, it is NOT from the lack of blood flow. When something falls asleep you are actually pinching a nerve and it causes some pain and sends back odd sensations to your brain. Ever woke up and had some like your arm completely "asleep"? You still have a distal pulse but no motor control since the nerve has been compressed. Temporary paralysis and not dangerous, but the nerve "waking up" causes those tingles. If it were lack of blood flow we would loose extremities in the night cause it would actually cause cellular damage, hypoxia to them and you wolud louse the extremity, u would also get gadgreen it would put off a rotting egg smell.
2006-06-19 09:43:10 · answer #2 · answered by Anonymous · 0⤊ 0⤋
OK despite what everyone has written, it is NOT lack of blood flow. When something falls asleep you are actually pinching a nerve and it causes some pain and sends back odd sensations to your brain. Ever woke up and had some like your arm completely "asleep"? You still have a distal pulse but no motor control since the nerve has been compressed. Temporary paralysis and not dangerous, but the nerve "waking up" causes those tingles. If it were lack of blood flow we would loose extremities in the night cause it would actually cause cellular damage and hypoxia to them.
2006-06-19 06:25:02 · answer #3 · answered by medicbera 2 · 0⤊ 0⤋
Your foot, when it falls asleep, loses circulation for a while, so all blood in your foot is already deoxygenated. The nerves in your foot require blood with oxygen to work, so they shut down. When you get the tingly sensation, there is oxygenated blood going back to the nerves, and they "wake up" and you feel it.
2006-06-19 06:19:27 · answer #4 · answered by Mr. E 2 · 0⤊ 0⤋
It feels tingly from a lack of blood
2006-06-19 06:18:02 · answer #5 · answered by Anonymous · 0⤊ 0⤋
Lack of Blood Flow
2006-06-19 06:19:49 · answer #6 · answered by AngelBaby 3 · 0⤊ 0⤋
The tingling comes from lack of blood circulation to your foot. Your foot is becoming numb due to lack of circulation.
2006-06-19 06:19:01 · answer #7 · answered by Anonymous · 0⤊ 0⤋
Its the blood circulation starting up again. In England we call it 'pins and needles'.
2006-06-19 06:18:16 · answer #8 · answered by Ty 2 · 0⤊ 0⤋
blood flow getting back into foot.
2006-06-19 06:21:53 · answer #9 · answered by STACEY S 3 · 0⤊ 0⤋
sounds like a pinched nerve
2016-05-20 02:30:06 · answer #10 · answered by Anonymous · 0⤊ 0⤋