Lots of us know that circadian rhythms are vital to a good night's sleep. But we still get hungry at strange times, feel sleepy in the afternoons and crave sugar late at night. Dr Satchin Panda is the leading voice on circadian biology. And he can tell you how to get these rhythms in check.

Africa Brooke is a speaker and podcast whose helped thousands of young people tackle their own inner demons. Imagine a life free of self-sabotage. For some, big nights out are the problem, creating a constant burden of shame. The solution could lie in a sobriety habit.

Sarah speaks to two of the world’s leading entrepreneurs in life design and personal transformation. Not to mention the masterminds behind the 5 Minute Journal: Alex Ikonn & Mimi Ikonn - Serial entrepreneurs, investors, and co-founders of Intelligent Change, a company to “help you realise your potential and live a happier, more fulfilling life.”