http://traderfeed.blogspot.hk/2017/01/the-power-of-pause.html When faced with a long creative problem, it is best to impose brief breaks on yourself. Brief mental breaks will actually help you stay focused on your task and improve your idea generation approach. A structured downtime can help you do your best work. - https://journal.thriveglobal.com/how-to-refresh-your-brain-to-restore-high-level-thinking-d3c12707095f This is why I need not fear the void. Stay with the boredom. Inhabit your claustrophobia, and take that small step. The rewards will come. - https://medium.com/personal-growth/the-void-and-why-understanding-it-leads-to-our-best-creative-work-104b613a41ae sleep is important - https://medium.com/q-e-d/why-sleep-on-it-is-the-most-useful-advice-for-learning-and-also-the-most-neglected-86b20249f06d Taking short breaks while practicing lets our brains review what we’re doing — and get better at it - https://www.zmescience.com/science/short-breaks-practice-helps-skills-65346367/