A new study from the University of Birmingham, in the United Kingdom, found that by losing sleep for two nights in a row diminished the functionality of blood vessels (Blood vessel function alludes to the blood vessels’ handling of higher blood flow). In addition, scientists noticed that sleep loss led to a decreased ability to regulate breathing.
This study involved eight otherwise healthy adults, from the ages of 20 to 35. To assess how sleep deprivation affected their participants, researches altered the number of hours of sleep they got. For the first two nights, the volunteers slept for eight hours—a healthy dose of sleep. Then, for the next three evenings, they only slept four hours. After the initial two days of half as much sleep as usual, participants’ vascular functionality decreased significantly. But, on the third night, it returned to normal. One of the researchers speculated that it this could be a result of the body acclimating to the loss of sleep.
Recently, other studies have shown links between craving foods high in fat content when tired, as well as being put a higher risk of a stroke.
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