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Study: Sleep Deprivation Linked To Dehydration

A recent study has revealed that sleep deprivation could result in dehydration due to the hormone release responsible for hydration regulation.

Sadly, insufficient sleep is linked to a wide range of negative effects to one’s health. It can not only impair judgement and attention, but long-term sleep deprivation increases the chances of obesity, high blood pressure, type 2 diabetes, as well as respiratory illness.

For this study, Medical News Today reported that the team reviewed information from two larger research projects in the Chinese Kailuan Study and National Health and Nutrition Examination Survey. The researchers looked through over 20,000 records of young and healthy adults, who offered completed questionnaires around sleeping habits, as well as urine samples.

The samples were examined by scientists for two dehydration markers, which were: osmolality and specific gravity. The study team applied logistic regression models as well, to review any connection within sleep duration and hydration.

What was found was that those who consistently got six or less hours each night of sleep had increased concentrated urine versus those individuals who ensured to get eight hours of shut-eye nightly. Additionally, those who regularly reported six hours or less of sleep nightly were 16 to 59% likelier to be dehydrated than those who had an 8-hour sleep at night. Lastly, the study revealed no link when it came to anyone getting 9+ hours of sleep nightly.

It’s important to note that the study was an observational one, and did not dive into the cause or ‘why’ of it all; however, the team does think that the vasopressin hormone could be the underlying reason behind sleep deprivation and dehydration.

An antidiuretic hormone, vasopressin regulates the water balance of a person’s body during the night and day, and it is released quicker, later within a sleep cycle. Therefore, if someone wakes up earlier, they could be missing out on a window of opportunity where more of the hormone is being released, thus the lack of hydration.

Which makes total sense as to why many advise to drink more water if you are feeling tired. Yet another reason to get a good night’s sleep, if you can.

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