how can you tell if someone is really asleep?
197587
The person's eyes are closed. The person doesn't hear anything unless it is a loud noise. The person breathes in a slow, rhythmic pattern. The person's muscles are completely relaxed.
280194
According to the National Institutes of Health, the average adult sleeps less than seven hours per night. In today's fast-paced society, six or seven hours of sleep may sound pretty good. In reality, though, it's a recipe for chronic sleep deprivation.
229417
Polysomnography, also called a sleep study, is a test used to diagnose sleep disorders. Polysomnography records your brain waves, the oxygen level in your blood, heart rate and breathing, as well as eye and leg movements during the study.
1120583
['Snoring.', 'Breathing pauses during sleep.', 'Difficulty falling asleep.', 'Problems with sleeping through the night.', 'Difficulty staying awake during the day.', 'Unexplained decrease in daytime performance.']
526238
It is common for the arms to fall asleep, especially at night, when a person may be lying in a position that places pressure on a nerve. However, if a person notices this sensation frequently, they may require medical attention, especially if they also experience: visual disturbances. facial numbness or tingling.
753705
Yes, sleep regressions are real. And while the term “sleep regression” may be one that we parents have come up with after decades and decades of observing the same sleep challenges at the same stages of development, research is beginning to catch up and to bear this out.
397911
['Watch their eyes. ... ', 'Keep an eye out for rapid blinking. ... ', 'Count how long someone closes their eyes. ... ', 'Pay attention to the direction they look. ... ', "The key is in what they're trying to recall. ... ", 'Bunched skin beneath and wrinkles beside the eyes indicate a real smile.']
1220780
['0 to 10 = normal range of sleepiness in healthy adults.', '11 to 14 = mild sleepiness.', '15 to 17 = moderate sleepiness.', '18 to 24 = severe sleepiness.']
274183
['sleepiness or fatigue.', 'lethargy.', 'delirium or confusion.', 'shortness of breath.', 'coma.']
496418
Like snoring, the most definitive sign of sleep apnea -- waking up to breathe -- is often witnessed by a bed partner. People with sleep apnea frequently wake up for a few seconds to gasp for air. This can happen hundreds of times a night in people with severe sleep apnea, Owens says.
359736
Patients in a coma appear unconscious. They do not respond to touch, sound or pain, and cannot be awakened. Their brains often show no signs of the normal sleep-wakefulness cycle, which means they are unlikely to be dreaming.
163697
Patients in a vegetative state are awake, breathe on their own, and seem to go in and out of sleep. But they do not respond to what is happening around them and exhibit no signs of conscious awareness. With communication impossible, friends and family are left wondering if the patients even know they are there.
1016246
It generally can't accurately measure REM sleep. ... But sleep-tracking apps for wearable devices like the Apple Watch or Fitbit primarily look at movement and heart rate to determine when you are asleep or awake — which are generally not precise enough to measure the different sleep stages, Dr. Vallat said.
928210
['Loud snoring.', 'Episodes in which you stop breathing during sleep — which would be reported by another person.', 'Gasping for air during sleep.', 'Awakening with a dry mouth.', 'Morning headache.', 'Difficulty staying asleep (insomnia)']
1445273
Yes, you can use "You are still up" to express "You haven't gone to sleep yet" in a surprised manner.
144459
['loss of consciousness (black out)', 'twitching or jerking of arms and legs.', 'breathing difficulty.', 'foaming at the mouth.', 'going pale or bluish in skin colour.', 'eye rolling, so only the whites of their eyes are visible.', 'your child may take 10 to 15 minutes to wake up properly afterwards.']
1260343
['Rapid movement of the eyes.', 'Fast and irregular breathing.', 'Increased heart rate (to near waking levels).', 'Changes in body temperature.', 'Increased blood pressure.', 'Brain activity similar to that seen while awake.']