Sleep deprivation is when the body has trouble falling asleep or staying asleep for long periods of time. The brain may become unable to send relaxing signals due to stress, anxiety, depression, and other factors. Certain pain-related disorders may also cause sleep deprivation. There are medications that can disrupt the circadian rhythm, so it is possible to be completely deprived of quality...

People who work in rotating shifts often struggle to get a sound sleep at night.  Regular change in their shift schedule makes them restless and deprives them from attaining a quiet slumber at night.  Since a large number of  shirt employees are working today in call centres, such people require adequate rest after their work shift. Zopiclone has emerged as an effective...