Whether you’re an early bird or a night owl says a lot about you. Learn what your sleep schedule says about you and how you can use that to your advantage.

We all know what it feels like not to get enough sleep. And the scary thing is that the effects are almost instantaneous. Insufficient sleep has been linked to car crashes, industrial disasters and medical errors.

If you look closely enough, you can tell when most people are lying. The concept of body language changing during a lie spawned an entire television show, “Lie to Me.” Even “Bachelorette” winner Jordan Rodgers has faced scrutiny for his lack of eye contact with his damsel while proclaiming his devotion.

Words are powerful. They have the ability to build people up or tear them down. And that includes you too! “Sticks and stones may break your bones, but words can change your brain,” says Belinda Anderson, life coach and author. It's true.

Facing fear can save your life. Fear can inspire a range of positive and negative reactions. It can be a great motivator, create insecurity or stimulate change. The most disastrous consequence of fear is avoiding situations or limiting experiences. About 19.

From Thanksgiving to New Year’s, challenge yourself to put down your smartphone, close your laptop, turn off the TV and just be present with your loved ones.

Americans are feeling increasingly stressed, according to a 2012 Carnegie Mellon study published in the Journal of Applied Psychology.

Behavior modification is a treatment approach which is focused on changing behavior. This method is based on the work of B.F. Skinner, a well known psychologist who developed the operant conditioning theory -- which suggests that behavior can be modified by consequences and through reinforcement.

To overcome the need to fix someone, start by fixing that need within yourself. Work together with your partner to fix a problem instead of doing it for them.

Behavior modification techniques include a series of teacher-implemented activities and actions aimed at improving classroom behavior. Encouraged behaviors might include staying seated, requesting permission to talk, remaining on task, proper care of classroom books and tools, and treating other students with respect.

Many behavior modification plans and techniques are available for parents, teacher and other people to purchase in book form. These tools are not always necessary because behavior modification plans are often best if they are made specific to the individual.

Adderall is the brand name of a prescription drug used to treat attention-deficit/hyperactivity disorder and a sleep disorder called narcolepsy. Adderall is a stimulant drug. There are several drugs similar to Adderall, which are also stimulants but there are important differences.