Sleep Calculator – how long did I sleep?

Not getting enough sleep can break your day, to prevent that these days sleep calculator apps have gained so much popularity.

It can be tough to get out of bed, but it doesn’t have to be torture.

The more you are focusing on getting some sleep at night, the more likely you are not going to get it done. Do not overly monitor how long it is taking you to fall asleep, it will drain you physically and emotionally.

In this article, we will help you to explore your sleep cycles, meaning when you should go to bed, how you can wake up refreshed and more. According to sleep scientists, you need to fall asleep between 10 to 20 minutes after getting into bed. If it is taking longer, then the probable reason would be that you are carrying a weight of worry, or you had too much caffeine. If you are routinely falling asleep within 5 minutes then you are not getting the rest you need.

Sleep Cycles

A Sleep cycle is what your brain is doing during your sleep. Your brain goes through different patterns of activity when you sleep, and these patterns are based on muscle activity and distinct eye movements.

Types of Sleep Cycle

REM: rapid-eye-movement

This portion of your sleep is more active parts of your sleep. You experience dreams, a rapid heart rate, higher blood pressure, shallower breathing, and rapid eye movement.

NREM: non-rapid-eye-movement

This part has four stages:

  • In stage one, you may feel like you are still conscious. This is the lightest stage of sleep.
  • In stage two, you sleep solidly, most of your night is spent in this stage.
  • The deepest NREM cycles are stages three and four, in which it gets most tough to wake from.

How You Can Wake Up Refreshed

Many of us tend to overlook the importance of sleep. Getting inadequate sleep can affect your mood, upset your hormones, disrupt your concentration and the list will go on. If we are sleep deprived, it will take a lot longer for us to feel refreshed. By following a few easy steps, you can wake up feeling fresh and new, full of life.

Sleep. The best way for you to wake up feeling fresh is to get seven to nine hours of sleep every night. Keep your bedroom cool, dark, and peaceful to eliminate your stress level.

A proper bedtime routine should be established. You can aim to go to bed and wake up at the same time every day. Tell your friends and loved ones that you are prioritizing your sleep and will make the necessary lifestyle changes, by establishing a strict schedule for you to go to bed and wake up.

Avoid any kind of heavy meals before bedtime. Before sleeping you cannot eat foods with high carbohydrates, as they lead to heart-burn and bloating. These will cause discomfort and disrupt your sleep. However, if you get tempted occasionally, you will find some useful tips on how to mitigate the consequences here.

Work with sleep cycles of yours. Our body’s natural process rhythm is designed to sleep in darkness and to wake up with light. Do your best to mimic that lighting no matter when you turn in and rise. Within a few minutes after waking up step into the sunlight to cue your body that it’s time to wake up.

Stop hitting snooze. If you repeatedly hit the snooze button, it can make it harder for you to stay awake and alert. Consistently snoozing for 10 minutes and waking up each morning adds up to more than an hour of an interrupted sleepover for a week.

How Long It Takes to Fall Asleep?

You should know, the sleep calculator is based on a precise time when you are going to bed and fall asleep. Usually, it takes about 15 minutes after getting into bed.

How Much Sleep Do You Need?

Generally, 7+ hours are the recommended amount of sleep for healthy adults. Professionals say that seven and a half hours of sleep would be five complete sleep cycles, but it varies because everyone is different.

To not be sleep-deprived teens and children need more than adults, sometimes a few more cycles than their parents.

Amount of Sleep for Individuals

  • Newborns (0-3 months) > 14-17 hours
  • Infants (4-12 months) > 12-16 hours
  • Toddlers (1-2 years) > 11-14 hours
  • Pre-school (3-5 years) > 10-13 hours
  • Elementary (6-12 years) > 9-12 hours
  • Teens (13-18 years) > 8-10 hours
  • Adults (18-64 years) > 7-9 hours
  • Older Adults (65+ years) > 7-8 hours


Man in pajamas holding a coffee pot

Sleep Deprivation

When you are not getting enough sleep for whatever reason- insomnia, hectic work schedule, sleep apnea or other reasons, the compound of your health will be affected which is called sleep deprivation.

If you are not getting enough sleep over for days, weeks, or even years can cause serious issues that can devastate your health impacts such as:

  • The immune system gets weaker
  • Heart disease and high blood pressure
  • More recovery time for injury or illness
  • Anxiety, depression, irritability, forgetfulness, reduced the cognitive ability and lowered response time
  • Dementia
  • Great risk of obesity and diabetes

Question mark with idea textDid you know?

An uncomfortable, too firm mattress can also be a reason for superficial sleeping. You will find some advice on how to make it softer here.

Why Calculating Your Sleep Is Important?

Even if it seems illogical at times, but it’s very possible to sleep for less time and feel more awake.

By optimizing your sleep and a better understanding of when to hit the bed and when to wake up could add astounding value to your life, providing you with more energy and reducing the risk or chronic illness like diabetes, cardiovascular disease, and even improving your longevity. That’s why calculating your sleep to live a longer and more energized life is very important.

If you want to know that the sleep calculator will work for you or not, you need to start using one and give it a try soon.

How to Use Sleep Calculator?

You can get the best sleep with the time you have!

If you are going to use WebApp, consult them before using it.  It will work on your phone, desktop, and tablet as well.

The clock generates two different types of time tables, one is for you to know when to set your alarm, and one is for you to decide when you should go to bed.

To reflect your desired time for either falling asleep or waking up, you have to adjust the clock at the top.

Then you have to adjust the duration of the delay based on how long it usually takes for you to fall asleep.

The use of ‘When to Sleep Calculator’

The calculator will provide the exact bedtime or wake-up time based on your daily schedule and it will also provide the duration of your proper sleep time.

If you are not sleeping properly, it can produce sleep inertia, which will ruin your morning, rob your productivity, increase poor performance in general. Though we can’t guarantee you will wake between cycles, we can help you to reach your goal.

The Best Sleep Calculators

After having hours of research and testing sleep calculating apps, here is a list for you, I am sure you will find very helpful to choose one.

Sleep Cycle App

If you tell this app when you need to wake up, it will sense your sleep cycles, using your phone’s microphone and accelerometer. It analyzes breathing and movement to decide if you are awake, in REM sleep or deep sleep. Can be used on android and iOS.

It has a premium offer deal that has more additional features like a wake-up mood tracker, online back-up, running tracker, etc.

Sleep score App

It tracks and measures your breathing rate and body movement by using your smartphone microphone and speaker. It compares your night sleep to an ideal night for people your age and gender and sets a smart-alarm to wake you up at the ideal time of your sleep cycle. The application keeps a seven-night sleep history of yours. It will measure your breathing and movements and will provide details about each stage of your sleep.

It is a sleep calculator web page. This isn’t a mobile app. It will ask you when you need to wake up and it will calculate the exact time for you to head to bed and when you should wake up by analyzing your cycles and REM stages.


Studies have shown that those who sleep properly are more alert. Having the right amount of sleep will boost your performance and positivity. In our workplaces, where communication and positivity are the basics for a great work environment, a good amount of sleep will give us that positivity which will allow us to perform well.

As we get older, our minor problems seem to turn into bigger problems. So, if we can get our optimal amount of sleep daily, we may find our health improving for the better in the short and long terms.

Here and here are some great informative websites where you can find more detailed answers to your health issues and queries. Check them out.


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