Answer:
I am million people's wakeup call. What am I?
Sitting down you have it, Standing up you don't.
A stylish winter top that covers your larynx.
An utensil used for bread. Also a paper cutter. Used by a thug to take a life, Or wielded by the tamest wife, When used to spread the butter.
What has 4 fingers and a thumb, but is not living?
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.