What are these little red bugs that hang on to biting me it itches resembling hell?

yea at night wen i sleep i never know what kept biting me at night till my mom kill 1 of these extremely red clolored tiny bug that wen she killed blood come i guess either my blood or my sister
what are they?
where on earth do they come from?
how do i kill them not knowing where on earth they are?What are these little red bugs that hang on to biting me it itches resembling hell?
Bed bugs
http://www.ca.uky.edu/entomology/entfact...
or chiggars
http://ohioline.osu.edu/hyg-fact/2000/21...
chiggers.
They usually live in the grass and love to chomp on humans who activity into the grass.
Yellow sulfur powder will kill them, sprinkle some surrounded by your socks and around waistbands or areas of clothing that are restrictive or tight since chiggers love to burrow into warm, moist, tight places underneath your clothing the most
Bed bugs. They suck. I seen someone next to bites all over their body.
CHIGGERS!
I live contained by the woods and get bites adjectives the time. I go to CVS and buy chiggerX it is a lotion that help with the itch or try benadryl. I own had one and the same chigger bites for 2 weeks at a time.
Nasty critters I hate them!
bed bugs clean up all your bed sheets within very hot dampen and clean your mattress beside vacuum cleaner and put some d.d.t spray also lift your hearth rug and spray all your floor boards and same beside your sisters bed keep doing that and you will find rid of them eventually.but you have to save doing it they won't go newly once.