Pull hair into a high pony and lock down any flyaways with an elastic headband laid about an inch from your hairline. Wrap the length of your pony into a bun, twisting as you go, and secure with an elastic band or bobby pins. Use a pencil or the end of a tail comb to evenly lift the section of hair between the headband and your bun for volume.
Pull the hair above your ears into a half-up half-down pony, leaving the hair beneath your ears loose. Use a brush to sweep the hair up for more volume and to fill it out slightly. Pull the remaining hair into a pony right beneath the first pony tail. The tease the top pony as it settles down on top of the original pony.
If your hair still holds some of the style for yesterday you can do another quick fix to ride that out a little longer until you need to wash and style again. Pull hair into a half-up half-down style, leaving a few face-framing pieces out, and secure with a clear or hair-colored elastic. Next, take hold of the bottom part of the pony. Create a little space above the elastic and loop the pony through it.
While these are only a few simple style to help set up your hair, there are plenty more you can find online or from a stylist. Remember the key to these styles is ensuring that it can be done quickly and effortlessly needing little to no extra.