Why do I feel more thirsty during night than at day?

There are several reasons why you might feel more thirsty during the night than during the day:

1. Dehydration: During the day, you are more likely to drink fluids to stay hydrated. However, at night, you may not be drinking as much, which can lead to dehydration. This can cause your body to produce more antidiuretic hormone (ADH), which reduces the amount of urine you produce and can make you feel thirsty.

2. Breathing through your mouth: If you breathe through your mouth at night, you may lose more moisture from your body, which can lead to dehydration and thirst. This is because when you breathe through your mouth, the air you breathe in is not humidified, which can dry out your mouth and throat.

3. Medications: Some medications, such as diuretics, can cause dehydration and thirst as a side effect. If you are taking any medications that cause dehydration, you may be more likely to feel thirsty at night.

4. Underlying medical conditions: Certain medical conditions, such as diabetes, kidney disease, and certain medications can cause increased thirst, especially at night. If you have any underlying medical conditions, it's important to talk to your doctor about your thirst and other symptoms.

To reduce thirst at night, try the following tips:

* Drink plenty of fluids throughout the day, especially in the evening before going to bed.

* Avoid drinking alcohol and caffeine before bed.

* Use a humidifier in your bedroom to add moisture to the air.

* Practice nasal breathing and avoid mouth breathing at night.

* Talk to your doctor if your thirst is severe, persistent, or accompanied by other symptoms.