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.
Proper hydration is key for optimal body function, and not consuming enough water can lead to serious complications, including dehydration. Drinking a gallon of water a day is more than the recommended intake but will not have any harmful effects on your system if you are not dehydrated.