Show WHY ONE IS SLEEPY many hypotheses are advanced by the scientists scientists disagree as to the cause 0 1 drowsiness some curious and re m reasons are assigned for the desire everybody has tor for sleeping it Is attributed by some people to an accumulation in the system ot of the poisonous products of the wear and tear ot of the body during the day alere seems to be some measure ot of truth in this for in many diseases the patients are often sleepless an other hypothesis Is that the nerve cells of the brain dwell apart from each other as it were during sleep the brain Is composed of millions of tiny bodies called cells each having sei several eral delicate prolongations or branches for the purpose of commini eating cating with other cells when the brain Is fully active all these cells are in contact or ready to be in contact with one another but the time oc cc caslo nally comes it Is thought when the branches of all the cells curl up VP and their isolation means that cam corn communication between the cells ceases the state of body and mind that follows Is what we call sleep the most probable explanation of sleep however hoever is that in some way or other the internal condition ot of the cells Is changed partly from echaus tion and partly because of diminished stimulation from other parts of the body |