We heard it in the night, sometime between midnight and sunrise, loud enough to startle us from our light sleep to see if whatever fell hit the roof or a car or a dog.
22.
Many animals and some people tend to wake, or experience a period of very light sleep, for a short time immediately after a bout of REM . The relative amount of REM sleep varies considerably with age.
23.
The following are the qualities of a student : eyesight similar to that of a crow, concentration similar to that of a crane, light sleep similar to that of a dog, small quantity of food and simple cloths.
24.
In patients with idiopathic hypersomnia, polysomnography typically shows short sleep latency, increased mean slow wave sleep, and a high mean sleep efficiency . " Latency to REM sleep and percentages of light sleep and REM sleep were normal, compared with normal ranges ."
25.
I wonder if thermal imaging would show the brain running hotter when doing complicated calculations or memorization, recall, puzzle solving, and such pursuits, compared to just sitting and not thinking about much in particular or in light sleep ? talk ) 23 : 57, 22 July 2008 ( UTC)
26.
NREM Stage 1 ( N1 light sleep, somnolence, drowsy sleep 5 10 % of total sleep in adults ) : This is a stage of sleep that usually occurs between sleep and wakefulness, and sometimes occurs between periods of deeper sleep and periods of REM . The muscles are active, and the eyes roll slowly, opening and closing moderately.
27.
Expressed via : 1 ) the range of states available to the infant ( i . e ., deep sleep, light sleep, drowsy, alert, hyperalert, and cry ), 2 ) how clearly it is to observably differentiate one state from the other, and 3 ) the patterns of transitions from one state to another ( e . g ., smooth well-differentiated state transitions versus abrupt unorganized state transitions ).
