A chronotype is what a person's sleep cycle calls under, whether they're a night owl, an early bird, or somewhere in between.

One's chronotype is determined by a combination of nature and nurture. Respectively, one's genes determine whether one prefers to...

• If you’re a morning person, motivate yourself to take a jog before work. Working out early in the morning jump starts your metabolism, regulates your body, and avoids the afternoon slump, or nap time.
• If you’re a night owl, utilize the treadmill or do yoga at least 2 hours ...

It means scheduling your time according to your natural rhythms:

• Do your most important work at the beginning of the day if you are a morning person.
• Don't feel bad about sleeping in because you stayed up late at night to work if you are a night owl.