One of my favourite ways to recharge is using brainwave audios.
I put in my ear phones, close my eyes and let the rich resonant tones of harmonically layered binaural beats gently guide me into a relaxed flow state. Perfect at the end of the day to get an over active mind ready for sleep.
Kelly Howell, founder of Brain Sync, has created some of the best brainwave audios available. Check out the list of brainwave audios here.