![]() On average, it is important for you to receive at least seven hours of sleep per night. Otherwise, for every cup of coffee you consume, you need to drink twice the amount of water to stay hydrated.Īnd if you need more than one cup of coffee per day, chances are you aren’t receiving adequate rest. It is important to find a balance without caffeine beverages. Someone who sleeps five hours may be able to perform just as well as someone who sleeps for ten. How Many Hours of Sleep Do You Need?ĭifferent biological circadian rhythms, or sleep/wake cycles, can vary from person to person. So, sleep is needed for proper development of cognitive functions such as learning, memory, and concentration. ![]() Stage 4 of NREM sleep promotes the deepest restorative functions on the body and brain. It is usually during stage 3 of NREM that it is the hardest to wake a person up. During stage 3 of NREM, growth hormone is released, and the body and brain restores, regenerates, and repairs organs and tissues. You reach this stage of sleep about an hour after you fall asleep. There are several phases of NREM, but the final stages (known as stages 3 and 4) are the most important when you sleep. These work in the hippocampal region to improve short-term memory processes. Interestingly, the body behaves as if it were awake during REM sleep - typically, the brain produces the same beta waves as it does when we are awake, and demonstrates psychological, physiological and biochemical activity. We tend to go into REM sleep more frequently and deeply as the morning approaches. REM stands for rapid eye movement, and this is the fifth stage of sleep. Adequate sleep is very important, and REM and NREM (which I’ll explain in a second) are two important tools in determining your mental development and learning capacity the following day. In addition, a Harvard research study showed that sleep may help with improving recent memory in the hippocampus, a region in the brain known for long-term memory. Starting in the seventh month of birth, premature babies sleep 80% of the time, 20% more than babies not born prematurely. Why is this? The baby is likely catching up on brain and body development that it missed in the womb. Fortunately, a new study conducted at the University of Rochester actually made an impression in the scientific community because it was the first to find one of the reasons we sleep. Photo by Mor via FlickrĮven though one-third of our lives are made up of sleep, most research still points to the question of why we sleep. And magnesium - a vital mineral we need in our bodies - may improve overall sleep quality, as well as brain performance, memory, and problem solving. Ever wonder how many hours of sleep you need to perform at your best? The deep stages of sleep - NREM and REM - are important for cognitive abilities such as memory and problem solving.
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