8 nighttime routines that Jocko Willink and 7 other highly-disciplined people swear by

Jocko Willink recommends making a list of everything you need to accomplish the next day.Crystal Cox/Business Insider

• The Oracles is a networking group of the world's most prominent entrepreneurs and CEOs.
• If you want to maintain a healthy work-life balance, it's important to make the most of your nighttime routine, and use evening free time to unwind and set yourself up for success the next day.
• Real estate executive Gail Corder Fischer puts all electronics of reach before bed, entrepreneur Lukas Mankow stretches and drinks tea, and investor David Imonitie ends his day by reflecting and writing in a gratitude journal.

With today's life challenges and changes, it's a good time to reevaluate your habits and routines. So we asked eight highly disciplined people — from a former Navy SEAL officer to the CEO of Hint, all Advisors in The Oracles — to share the nighttime routines that will set you up for success the next day.