• Sherri HIner

Connection Between Hydration and Sleep


You probably realize that there is a level of hydration can affect the way they feel and function throughout the day. Not having enough fluids can make you sluggish, irritable, and not performing your best. Your hydration also plays a critical role in how well (or not) you sleep at night. It is important that we understand the impact of your daily fluid intake on your nighttime slumber will go a long way to improving the quality of your sleep.

Dehydration’s Negative Effects

If you go to bed mildly dehydrated, it can disrupt your sleep. Surprised? Dehydration causes your mouth and nasal passages to become dry, setting you up for sleep-disruptive snoring and a parched throat and hoarseness in the morning.

Absence of pre-bed fluids can also lead to nighttime leg cramps that may keep you awake. In addition to the frustration of fragmented sleep, being dehydrated during night can compromise your alertness, energy, and cognitive performance the following day.

Sleep-Related Fluid Loss

You might start the night reasonably well-hydrated, you’ll lose some body fluids just by breathing

while you sleep. This is particularly true if you breathe through your mouth, snore or have sleep apnea . (If you breathe through your nose while you rest, you won’t lose nearly as much water from your body.) An excessively dry or warm bedroom can also lead to extra fluid loss during the night, as can a late-day intense exercise session without adequate re-hydration. Drinking excessive alcohol can exacerbate these fluid-compromising scenarios, which in turn can cause you to feel tired or sluggish the next day.

How to Hydrate Right

Good hydration requires more than gulping a bottle of water before bed. Focus on drinking plenty of non-caffeinated fluids frequently throughout the day. Women need about 91 ounces daily from beverages and foods, while men should aim for about 125 ounces. Waiting until bedtime to do your drinking sets you up for multiple nighttime bathroom trips (if this happens frequently to you, it may be a condition called nocturia) making it difficult to achieve quality sleep and making it tougher to wake up in the morning. Practice spreading your fluid intake throughout your day to maximize the odds of sleeping soundly at night.

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