Sleep is The Fourth Biological Drive - Deepstash
How To Have a Good Night

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How To Have a Good Night

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Sleep is The Fourth Biological Drive

Sleep is The Fourth Biological Drive

There are two main reasons we go to sleep:

  • Circadian rhythm: Every living creature on the planet has some sort of sleep-wake cycle
  • Sleep pressure: Every second you’re awake, a chemical called adenosine is compiling up in your brain. The concentration of this substance is increasing your desire to sleep

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Tips for a good nights sleep

  1. Stick to a sleep schedule. Create a sleeping habit by going to bed and waking up at the same time, every-single-day.
  2. Exercise, but don’t do it before going to sleep. Your body needs at least 3 hours to calm down after a workout.
  3. Avo...

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Cycles of Sleep

Each cycle lasts around 90 minutes with different NREM / REM ratios:

  • Cycle 1: NREM (80%) -> REM (20%)
  • Cycle 2: NREM (70%) -> REM (30%)
  • Cycle 3: NREM (60%) -> REM (40%)
  • Cycle 4: NREM (50%) -> REM...

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Matthew walker

"The best bridge between despair and hope is a good night’s sleep."

MATTHEW WALKER

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We Cycle Through Two Distinct Types Of Sleep

We Cycle Through Two Distinct Types Of Sleep

There are two stages of sleep:

  • Rapid Eye Movement (REM): The brain activity is almost identical to when we’re awake. In this stage, we dream.
  • Non Rapid Eye Movement (NREM): A dreamless sleep. During this stage, we’re calm, relaxed and the heart...

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Interesting facts about sleep

  1. During REM sleep our body gets paralyzed by the brain in order to prevent us from executing on our dreams.
  2. Sleeping helps us improve. When we’re learning or practicing something and we stop, our brain will continue to work on these tasks on the backg...

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Alarming facts about not sleeping

  1. Consuming alcohol to persuade yourself to sleep is a bad practice. Alcoholic beverages mess up your REM sleep and you get a fragmented sleep.
  2. With age, our sleep efficiency declines. This is mainly because of our frequent visits to the bathroom. A si...

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The Sleep-Wake Cycle

The Sleep-Wake Cycle

The quality of your sleep is determined by a process called the sleep-wake cycle. This cycle is dictated by your circadian rhythm.

There are two important parts of the sleep-wake cycle:

  1. Slow-wave sleep (also known as deep sleep)
  2. REM sleep (REM stands for ...

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