MORE RESEARCH. How noise affects your sleep While you sleep, your brain continues to register and process sounds on a basic level. Noise can jostle your slumberâcausing you to wake, move, shift between stages of sleep, or experience a change in heart rate and blood pressureâso briefly that you don't remember the next morning.
The human body can only exist for 5-7 days without water, thus dehydration must be taken seriously. Just exactly what does dehydration mean? Medically, dehydration is a serious and potentially life-threatening condition in which the body contains an insufficient volume of water for normal functioning.
Here are some guidelines for avoiding dehydration. Drink extra water before and after exercise. You will also want to drink during exercise, especially if you exercise for longer periods of time. Drink more than normal if the weather is hot, and make sure to drink even when it's cold.