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How Much Sleep Do Fitbit Users Really Get? A New Study Finds Out
The Gender Sleep Gap
Among Fitbit users:
- Women get about 25 minutes more sleep on average.
- Men get a slightly higher percentage of deep sleep than women until around age 55. Then women get more deep sleep.
- Women get 10 more minutes per night REM sleep.
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The Sleep Sweet Spot
The average Fitbit user:
- Is in bed for 7hours, 33 minutes per night
- Sleeps only 6 hours, 38 minutes
- Spends 55 minutes in a restless or awake state.
People who sleep less than 5 hours a night don't get enough deep sleep. Deep sleep is important for cell regeneration, human growth hormone secretion, and feeling refreshed.
The Generational Divide
When it comes to Fitbit users:
- Generation Z goes to sleep the latest, but they sleep longer.
- Baby Boomers sleep the least, averaging 6 hours and 33 minutes per night.
- REM and light sleep stay reasonably stable throughout a person's life.
- Deep sleep decreases from 17 percent at age 20 to 12 percent at age 70.
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Slow-wave sleep (deep sleep) – SWS
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 experience...
Rapid eye movement (dreaming) - REM
Dreaming accounts for 20% of our sleeping time.
The length of dreams can vary from a few seconds to almost an hour. During REM sleep, the brain is highly active. The muscles are paralyzed, and the heart rate increases. Breathing can become erratic.
Sleep quantity
Although eight hours is the common mention, optimum sleep can vary from person to person and from age to age.
One review that worked through 320 research articles concluded 7 - 9 hours of sleep are enough for adults. According to experts, too little or too much sleep can both have a negative impact on your health.
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The Science of Sleep
The average adult spends 36 % (or about one-third) of his or her life asleep.
Purpose of Sleep:
- Restoration
- Memory Consolidation
- Metabolic Health
Restoration
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.
Memory Consolidation
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.
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Snoring isn’t harmful
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.
You can "cheat" on sleep
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.
Turning up the radio
... 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.
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