Podcast Simon Jeffries – “Sleep is the biggest performance enhancer.” 10 Aug Warren Munson < 1 minute 10 Aug Simon Jeffries, former Special Forces soldier and co-founder of The Natural Edge, talks sleep and journaling and compares the stresses of the military with running his own business. Listen on Apple, Spotify, Stitcher and TuneIn. Want to make sure you receive the latest insights from Evolve? Sign up to our weekly newsletter here. SHARE post Email Tweet Share