Dehydration happens when your body gets rid of more fluids, usually through sweating or going to the bathroom more than normal, than it absorbs. Drinking too little water during exercise, hot weather, or daily activities can also cause the body to use up its stored water.
Nocturia is defined as the excessive need to get up and urinate during the night. 1  You may find yourself using the bathroom several times per night and this can be disruptive to your sleep. It is generally considered to be abnormal to wake to urinate when it occurs more than once at night.
Why do I keep waking up at 4 AM? How can I stop a post nasal drip cough? What can I do to ensure clear nasal passages during the day and prevent post-nasal drip at night? I am not able to sleep at nights. I go to sleep at 6am and wake up late.