What you should do in breaks after classes/studying?

A dumb question but what you guys do in the break you take after studying a topic or after a class.Should i do some reading with respect to the same topic or give my brain a relax to digest the concepts and understand it.... As i am struggling with these breaks that i take between my studies as i end up watching some random yt video or scrolling other socials while drying my eyes... Give me some tips how should i manage these breaks and give me a general idea of what a efficient and effective break looks like. Thanks for reading 🩵