Sleep: how much do we really need?
About 80% of our sleeping is of the SWS variety, identified by slow brain waves, relaxed muscles and deep breathing.
Deep sleep is important for the consolidation of memories. New experiences get moved to long-term storage and less important experiences from the previous day get cleared out.
SIMILAR ARTICLES & IDEAS:
Sleep needs vary from person to person. Age, genetics, lifestyle, and environment all play a role.
According to the National Sleep Foundation, adults need 7-9 hours of sleep a night...
To really find out what your individual sleep needs are, do the following experiment for at least two weeks:
You may sleep longer during the first few days, but over the course of a few weeks, a pattern will emerge of how much sleep your body needs each night.
If you often feel tired, your body is telling you that it's not getting enough sleep.
If you're getting eight hours of sleep a night but still feel tired, you may be suffering from a sleep disorder or interrupted sleep.
The average adult spends 36 % (or about one-third) of his or her life asleep.
Purpose of Sleep:
The first purpose of sleep is restoration.
Every day, your brain accumulates metabolic waste as it goes about its normal neural activities. Sleeping restores the brains healthy condition by removing these waste products. Accumulation of these waste products has been linked to many brain-related disorders.
The second purpose of sleep is memory consolidation.
Sleep is crucial for memory consolidation, which is responsible for your long term memories. Insufficient or fragmented sleep can hamper your ability to remember facts and feelings/emotions.
Although snoring may be harmless for most people, it can be a symptom of a life-threatening sleep disorder called sleep apnea, especially if it is accompanied by severe daytime sleepiness.
Sleep experts say most adults need between seven and nine hours of sleep each night for optimum performance, health, and safety.
The resulting sleep deprivation has been linked to health problems such as obesity and high blood pressure, negative mood and behavior, decreased productivity, and safety issues in the home, on the job, and on the road.
... opening the window, or turning on the air conditioner are effective ways to stay awake when driving.
These "aids" are ineffective and can be dangerous to the person who is driving while feeling drowsy or sleepy.
It's best to pull off the road in a safe rest area and take a nap for 15-45 minutes. Caffeinated beverages can help overcome drowsiness for a short period of time.