3. Fix your caffeine use

• Get rid of caffeine after 4:00 pm. Caffeine stays in your system for up to six hours.
• Stay hydrated. Dehydration can make you feel sluggish and tired when you want to be awake.
• Decide when the workday ends. Establish a cut...

Stay away from caffeine as much as possible in the hours before sleep—or even in the afternoon if you can help it.

While alcohol may seem like it helps you fall asleep, it won't give you the kind of deep sleep your body needs. If you drink, do it a few hours before you go to...

You need 7–8 hours of high-quality sleep each night to fully rest your body and brain.

Many believe that to be more productive, they need to sacrifice their sleep. 

In reality the opposite is true. A good night’s sleep is the foundation of a highly productive day.