Is it possible you are sleeping on your arm or leg in such a way as to apply pressure and make bruises? I have found bruises on my legs and arms that have been caused from the way in which I have my appendages when I sleep.
Bruises SPIDER
no
No, they are bruises and ugly.
Sprains do not always cause bruises. Fractures typically cause bruising. But even the worst bruise does not define how bad (or not) the injury truly is.
Gas pressure
cause its the best and takes colourin out
The force of the convection cell is bumping into the lithosphere which cause's it to turn at point a
They are not really bruises but a foam topper will be a big help.
There are a number of diseases that cause excessive bleeding or bleeding from injuries too slight to have consequences in healthy people.
blood vessels rupturing
I'm unsure if you are concerned about you getting bruises, or causing your son bruises. Obviously, any force against the skin CAN cause a bruise. If you want to avoid bruising, switch to a different disciplinary method. For example, time out or removing some desired toy.
Healthy people may develop bruises from any injury that doesn't break through the skin. Vigorous exercise may also cause bruises due to bringing about small tears in blood vessels walls. In a condition known as purpura simplex.