"refresh your mind" is a correct and usable phrase in written English.
You can use the phrase when you need to express the idea of taking a break to clear and recharge one's mind. For example: "After a difficult exam, it's important to take a moment to refresh your mind."
You don't refresh your mind by partying in Ibiza.
The philosophy is that physical fitness isn't enough: you need to nourish and refresh your mind to be completely relaxed.
The final session is an opportunity to look at everything you've covered during the six weeks and refresh your mind about key learnings.
… This way? … Or that way?" — Leo Carey If, like me, you're an obsessive spring cleaner, throwing open cabinets to wipe up crumbs and stalking nooks and crannies with a Dustbuster, then this may be a good moment to refresh your mind, too, with a little help from George Orwell.
A big plus of the week away is to just refresh your mind and it brings a new impetus to your rehab.
If you can find the time, a short nap can refresh your mind and body and drive away eating temptations.
They did so in the form of a resolution; and as we seldom hit upon resolutions, drawn up in our day, whose transparency is at all equal to this, it may refresh your minds and help my story if I read it.
By the time you reach the gallery itself (whatever the season), the oasis in which it is set has refreshed your mind and eyes.
This refreshes your mind and gets the kinks out of your body from simply sitting at the computer or laptop.
Taking a break is pivotal to refreshing your mind and renewing your eyes.
To you, homework that isn't graded might seem useless and a waste of time, but in reality it's preparing you for quizzes and tests and constantly refreshing your mind on the subject.
