I am using windows 10 on an ASUS laptop and the sidebars are miniscule. Thanks for the help.
It seems you have high-dpi screen. If this is the case, see here: Make Blender usable on high resolution screen.
In a nutshell, go to
DPI. Play around with the value until you are comfortable. If that isn't enough, see the link.
To actually answer your question: they are tiny, because they are fixed to a pixel size and your pixels are tiny.