You’ll learn
- To listen to your body and its needs
- How to effectively use the hours of activity and lack of energy
- Sync your social schedule with your bio-time
- Notice your bad habits and form healthy ones
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first KEY POINT
People often want to have more than 24 hours in a day. However, when you do your business is more important than how much time you have. Did you know you can boost productivity by discovering your best hours for performing specific tasks? Synchronizing your daily schedule with your body clock will allow for more things besides your job. What about morning dates, daily workouts, or karaoke? There is no magic — only your biology.
Inner clocks, known as circadian rhythms, manage all living beings’ bodies. Early and late morning rises are not habits but genetic needs. Bio-time impacts well-being, performance, physical, intellectual, and emotional activity and determines human chronotypes. However, this story is not about Larks, Hummingbirds, and Owls. Dr. Michael Breus offers a new classification based on the genetic sleep drive:• Dolphins are people with insomnia; 10% of the planet’s population has this chronotype.
• Lions, 15–20% of people, are active in the morning and have a medium sleep drive.
• Bears are prone to work during the day and do not mind napping. This group includes 50% of the population.
• Wolves get down to business closer to evening and reluctantly go to bed. There are 15–20% of these night lovers among us.
Are you ready to discover the intricacies of your bio-time and optimize your day to have more energy for work, more time to relax, and more satisfaction from life? Let’s get started!
second KEY POINT
Dozens of inner timekeepers led by a suprachiasmatic nucleus, the Big Ben of the human body, work so that you can have a full-blown life. They have been doing their job perfectly for 50,000 years thanks to one watchmaker, the sun:1. Sunlight stimulates the secretion of cortisol, the stress hormone. When its level rises, the body receives a signal to wake up. By the evening, the cortisol level decreases, and you feel an energy drop and tiredness.
2. When it gets dark, the body synthesizes melatonin, the sleep hormone, and you start thinking about a pillow.

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