Rest can be defined as a period of bodily inactivity. Not only does one stay quite still and motionless while resting but their bodily functions decrease in speed as well. One can rest and not have to be asleep while doing so. For example, laying in bed and watching television is one way to define rest. The stillness of one's body can help their bodily functions decrease in pace and they are overcome by a state of relaxation.
The Definition of Sleep
Sleep is generally a bit different from rest. When someone is sleeping, their body shuts down much more than when they were in a form of rest. The individual who is sleeping will go through the stage of REM sleep and four stages of non-REM sleep. Sleep is often referred to as the natural state of rest.
How Sleep and Rest Are Different From Each Other
Sleep and rest are different in that one who is about to go to sleep will have to be in a restful state first. On the other hand, one who rests does not always have to sleep. One can rest with their eyes open whereas individuals who sleep do so with their eyes shut. In addition, an individual who is asleep will have slower bodily motions and functions than a person who is simply resting. One can rest and still be alert while one who is sleeping is without the alertness that individuals who are awake possess.
Sleep and Rest in Relation to Each Other
The concepts of sleep and rest do have some points in common. They both deal with the individual being in a relaxed state. Even though one concept deals with a person in a state of unconsciousness, individuals in both states will experience the slowing down of bodily movements, motions and functions.
Disorders That Affect Sleep and Rest
There are many disorders which disrupt an individual's states of rest and sleep. Conditions such as nightmares, bedwetting, insomnia and restless leg syndrome are some of the issues which can disturb an individual while they are trying to sleep or rest.
Conclusion
It is important to note that there is a difference between a period of rest and the stage of sleep. Although both allow an individual's body to slow down in various ways, the intensity of these periods will vary depending on whether one is sleeping or resting. In order to fully recharge the body, a period of sleep and not just rest is a necessary requirement for every individual.