What is sleep?
We all know what sleep is, but on doing some googling I found the perfect official definition of sleep. Sleep is defined as a condition of body and mind such as that which typically recurs for several hours every night, in which the nervous system is relatively inactive, the eyes closed, the postural muscles relaxed, and consciousness practically suspended.
According to the Sleep Council UK, during sleep our heart rate drops, our body temperature falls and we experience complex changes in brain activity. Continue Reading