Sometimes, taking a quick break from work to watch YouTube videos is the only way to stay sane during a stressful day. There’s just something about 20-minute long Vine compilations and brutally honest Chevy ad spoofs that can instantly lift your spirits, especially when you’re running on fumes towards the end of the work day

If you’re currently in the midst of an end-of-day lull and need a boost of mental energy, you’re in luck.

We scoured YouTube for the 100 best channels in ten of their most popular categories, and hopefully, there are enough videos in this blog post to satisfy your daily fix of YouTube for quite a while.