According to the National Sleep Foundation, adults need seven to nine hours of sleep per night. Scientists have researched why people sleep and how it affects the brain. For the first time, scientists have found that during sleep, the brain may cleanse itself of toxic molecules. A study conducted by the National Institute of Neurological Disorders and Stroke (NINDS) found the space between brain cells may increase during sleep.
n recent decades, the number of adults sleeping six hours or less per night has significantly increased. Sleeping less can have negative effects on your body and can cause you to gain weight more easily.
Research continues to verify the important of regular sleep on the rest of your body. Sleep-disordered breathing is associated with lower exercise capacity and increased blood pressure. Sleep-disordered breathing is characterized by pauses in breathing or decreased quantity of ventilation during sleep.