Brain detoxification can happen only with quality sleep. While asleep the brain shrinks and activates the glymphatic system to remove toxicity from our brain. It also provides nutrients to the neurons thereby keeping us away from degenerative issues and aiding us to recover better.Sleep is an investment in the energy you need to be effective tomorrow.
For sleeping better, keep up with regular sleep hours. Focus on inhaling and exhaling of your breath to relax your mind.Disconnect from electronic devices as they can be very disturbing.GABA is an amino that aids good sleep.

Herbs like Ashwagandha, Valerian root, Passion flower, Lemon balm can aid in production of good sleep.
GABA-rich foods include cruciferous vegetables, beans, peas, tomatoes, spinach, mushrooms, sprouted grains,brown rice and chestnuts. Fermented foods (kefir, yogurt, tempeh, kimchi, etc.) and oolong and white teas, which all naturally contain GABA. Supplementing Magnesium and Gaba supplements for a while can also be considered with expert advice.