One of the earliest theories of sleep<span>, sometimes called the </span>adaptive<span> or evolutionary </span>theory<span>, suggests that </span>inactivity<span> at night is an </span>adaptation<span> that served a survival function by keeping organisms out of harm's way at times when they would be particularly vulnerable.</span>
Adaptive theory of sleep is also called as evolutionary theory which states that period of inactivity evolved as a means of conservation of energy.
According to the adaptive inactivity theory of sleep all species have a adopted tendency to sleep at the time period when waking is dangerous for the species.
It says that sleeping is necessary and it is a strategy of the body to conserve energy in order to stay energetic and healthy.
HIV in fact kills the immune system cells causing our body cannot fight off infections and diseases from entering our body. this creates our immune system to become weaken.
Based on the given scenario, the best way to be used to
promote the safest movement of the patient is that the four rescuers present
should have each destined location on the patient where in, one of them should
be on the head, the other at the feet, and the two should be on each of the
side of the backboard.
