Learn more about productivity with this collection
How to break bad habits
How habits are formed
The importance of consistency
Sleep is not uniform. Instead, over the course of the night, our total sleep is made up of several rounds of the sleep cycle, which is composed of four individual stages.
In a typical night, a person goes through four to six sleep cycles. Not all sleep cycles are the same length, but on average they last about 90 minutes each.
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MORE IDEAS ON THIS
When we constantly get less sleep (even 1 hour less) than we need each night, it is called sleep debt. We may pay for it in daytime drowsiness, trouble concentrating, moodiness, lower productivity and increased risk of falls and accidents.
Although a daytime nap can...
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2. Deep Sleep
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1. Non-REM sleep (sometimes called NREM), which includes light and deep sleep, accounts for about the majority of our sleeping time.
2. REM (Rapid Eye Movement) sleep is where we may spend some of our time dreaming. This typically takes pl...
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Our body requires less sleep the older we get.
Whilst, it is true that babies need 16 hours compared to 9 hours and 8 hours respectively for teenagers and adults, this does not mean that older people need less sleep.
However, what is true if that for a number...
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In a nutshell, sleep deprivation is caused by consistent lack of sleep or reduced quality of sleep. Getting less than 7 hours of sleep on a regular basis can eventually lead to health consequences that affect our entire body.
Some of the side effects of sleep deprivation in...
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It is normal for sleep cycles to change as we progress through our nightly sleep. The first sleep cycle is often the shortest, ranging from 70-100 minutes, while later cycles tend to fall between 90 and 120 minutes. In addition, the composition of each cycle — how much time is sp...
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One earlier misconception that has now been revised is that the body completely slows down during sleep; it is now dear that the body’s major organs and regulatory systems continue to work actively – the lungs, heart and stomach for example.
Another important part ...
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1. Light Sleep
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This is because as people age, they spend less time in the deep, restful stages of sleep and are more easily awakened. Older people are also more likely to have medical conditions that affect their sleep, such as insomnia, sleep apnoea and heart problems.
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Other curated ideas on this topic:
Your brain can only focus for 90 to 120 minutes before it needs a break.
This is the ultradian rhythm, a cycle that’s present in both our sleeping (the 90-minute cycles during which we progress through the five stages of sleep) and waking lives (as we move from higher to lower alert...
We spend about half our sleeping time in stage 2. It can last up to 50 minutes during the first 90-minute sleep cycle, and less during subsequent cycles.
During this time the brain consolidates the information that has been collected during the waking hours. It makes connections yo...
Your sleep cycles are approximately 75 to 90 minutes each. Factors like stress levels and unstable blood sugar levels can throw off your sleep cycles regardless of how much time you spend in bed.
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