My daughter whines a lot!!?

ok, my daughter is 8 months old. she doesnt let me evn leave the room without screaming for me to stop. as soon as i leave her sight, she cries. not really cries, but whines really loud. i turn around and shes crawling at full speed for me! when i have to go to work, she doesnt want to get out of the car; she screams and hollers..thats the sad part, but when shes jus whining, its really annoying. i dont get a lot of sleep bcuz she evn wakes up n the middle of the night crying sometimes. im jus really tired of the whining. will she grow out of it? please help!