Does Sleeping Count As Fasting?

As the seasons change and spring slowly approaches, many look for ways to get back on track and develop healthy habits. Fasting has become increasingly popular to give our bodies a necessary break from unhealthy eating patterns or toxic foods that can spike hormone insulin. 

But does sleeping count as fasting? 

In this article, we’ll discuss why some individuals choose to fast while they sleep and whether research supports making it part of your routine.

Does Fasting Count When You Sleep?

Fasting can be an important spiritual and health practice, but the question of whether it counts when you are sleeping is one that many grapples with. Generally, fasting refers to abstaining from meals or specific food items except for water.

However, it can be hard to determine what constitutes fasting during that period when you’re sleeping. Scientifically, their metabolism slows down during a person’s sleep cycle, and they rely on their body’s natural energy reserves.

Does fasting count when you sleep?

At the same time, they rest, so they will still be consuming calories regardless of whether or not they consume any food. Therefore, if someone wants to fast to center themselves spiritually or as a healthful practice, there are some things that one must keep in mind:

While consuming calories while sleeping may not have any real effect, it technically can be considered a form of fasting. Additionally, those who suffer from diabetes should take special care when engaging in prolonged fasts and always consult with their healthcare provider prior to making dietary changes.

Lastly, the best course of action for anyone interested in intermittent fasting is to first speak with your healthcare provider about potential risks and benefits.

Do Sleeping Hours Count In Intermittent Fasting?

Intermittent fasting is a popular method used to improve one’s weight loss, overall health and well-being. It involves alternating periods of eating with periods of fasting, usually over the course of 24 hours.

While some people fast for the entire 24 hours, others may only fast during certain hours or even split their fasting into two 12-hour periods.

Regarding sleeping hours, some people believe that sleeping counts towards the fasting period.

This means that if you are fasting for 16 hours and 8 of those hours involve sleeping, your total fasting time will be considered 8 hours instead of 16. However, this is not definitive, as opinions may vary from individual to individual or health professional to health professional.

Ultimately, it will come down to what works best for your body and lifestyle needs. It’s important to remember that intermittent fasting is not an all-or-nothing approach, and you can explore many different variations to find the one that suits you the most.

So if sleeping hours count towards your fasting period, then make sure you adjust your eating window accordingly.

How Does Intermittent Fasting Affect Your Sleep?

Intermittent fasting is a popular dieting pattern involving regular eating and fasting periods.

While there are many potential health benefits to this method of eating, it’s also important to consider how intermittent fasting may affect your sleep.

Studies suggest that intermittent fasting can increase alertness during the day, which could lead to difficulty in winding down and falling asleep at night.

Additionally, some people report feeling excessively hungry in the evenings due to their reduced caloric intake throughout the day. This can lead to restlessness throughout the night and interrupted sleep.

It’s important to recognize the potential effects of intermittent fasting schedule on your sleep schedule and plan accordingly if you decide to try it!

How Can You Improve Sleep While Intermittent Fasting?

One of the good ways to improve sleep while intermittent fasting is to ensure you consume enough calories and nutrients throughout the day.

Making sure your meals are balanced can help keep hunger at bay and ensure that you have enough energy for the day so that your body does not feel overly tired when trying to fall asleep.

In addition, it’s important to stick to a consistent sleep schedule.

Does sleeping count as fasting time?

Fasting for extended periods can disrupt your circadian rhythm and make it hard to fall asleep and stay asleep throughout the night.

Finally, if you are feeling overly hungry in the evenings, consider adding a snack with lean proteins or healthy fats before bedtime to help regulate your hunger levels.

By following these tips and ensuring enough rest, you can help ensure that intermittent fasting does not negatively affect your sleep.


Does Fasting While Asleep Give The Same Benefits?

Fasting while asleep does not give the same health benefits as intermittent fasting, as it does not involve periods of eating and fasting.

However, sleeping longer (but still waking up during the night to urinate) can benefit overall health and well-being.

Can You Go To Sleep While Fasting In Islam?

Yes, it is permissible to sleep while fasting in Islam. It is important to remember that the fast should not be broken until sundown, regardless of whether you are sleeping or awake.

Additionally, Muslims should strive to minimize fasting activity and focus on spiritual contemplation and prayer.


Intermittent fasting can be a great way to work towards fat loss goal improve your health and overall well-being.

However, it is crucial to consider how this dieting pattern may affect your sleep schedule and make the necessary adjustments if needed.

Ensuring you get enough calories, nutrients, and restful sleep throughout the day can help ensure that intermittent fasting positively affects your health.

Additionally, if you are fasting for religious reasons, it is important to remain mindful of the spiritual aspects and practices associated with the fast.

Overall, sleeping during your fasting periods can be beneficial, but make sure to adjust your eating and fasting window accordingly to get the most out of your intermittent fasting experience.

Fasting can be a powerful tool when done correctly and with mindful consideration of its potential effects on your sleep schedule. Take the time to assess how it may affect you and make adjustments as needed! 

Rich Ross

Rich is a divorced father of two. He holds a Master of Public Health degree in Nutrition from the University of North Carolina’s Gillings School of Global Public Health. A former chemist, Richard has been offering private coaching sessions for more than 7 years. His mission is to help people live happier, healthier lives by showing them that they have power to choose what they eat and how they feel about themselves.