Learn more about health with this collection
The importance of physical activity
The role of genetics in lifespan
How to maintain a healthy diet
How The Body Regulates Sleep
The body regulates sleep with two key drivers:
- Sleep-wake homeostasis. The longer you’re awake, the more you feel a need to sleep. This is because of the homeostatic sleep drive, the body’s self-regulating system in which pressure to sleep builds up based on how long you’ve been awake.
- The circadian alerting system. Light exposure is the biggest influence on circadian rhythms, encouraging wakefulness during the day and sleepiness at night.
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Why We Sleep
While even experts haven’t reached a consensus explanation for why we sleep, numerous indicators support the view that it serves an essential biological function.
In adults, a lack of sleep has been associated with a wide range of negative health consequences including cardiovascular probl...
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Sleep Stages
- Stage 1. Your breathing slows as well as your heartbeat, eye movement, and brain wave activity. Your muscles begin to relax.
- Stage 2. Your breathing, heartbeat, and brain wave activity continue to slow. Eye movements stop.
- Stage 3....
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Related collections
Other curated ideas on this topic:
2. Melatonin
- Natural hormone that regulates your body’s circadian rhythm or sleep-wake cycle. Levels of the hormone increase in the evening when it’s dark to promote sleep & decrease in the morning when it’s light to promote wakefulness.
- Getting adequate ...
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 concent...
The Science Behind A Consistent Waking Up Time
Our bodies follow a certain circadian rhythm that relies on us following a consistent sleeping time.
One can use the morning sunrise as an anchor to your wake time. Having a fixed time also builds a sleep drive gradually, as the body gets in the habit of falling asleep at the same...
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