Mathematics
Biometrics
15%
Correlate
100%
Disorder
42%
Disturbance
11%
Evidence
10%
Fatigue
16%
Fluid
48%
Human
22%
Model
4%
Modulation
15%
Mood
18%
Multivariate Analysis
14%
Multivariate Regression
15%
Predict
11%
Proximity
13%
Regression Analysis
12%
Sleep
92%
Social Interaction
19%
Term
6%
Vary
10%
Agriculture & Biology
biometry
17%
cerebrospinal fluid
75%
diurnal variation
17%
emotions
18%
narcolepsy
28%
neuropeptides
17%
neurotransmitters
16%
photoperiod
51%
radioimmunoassays
15%
regression analysis
13%
sampling
5%
seasonal variation
27%
sleep
69%
sleep disorders
23%
snow
17%
social behavior
15%
somnolence
26%
summer
10%
winter
20%
Earth & Environmental Sciences
biometry
19%
day length
91%
diurnal variation
15%
fatigue
16%
fluid
36%
parameter
5%
regression analysis
13%
seasonal variation
25%
sleep
78%
sleep disturbance
26%
snow
12%
summer
9%
vacation
19%
winter
19%
Medicine & Life Sciences
Cerebrospinal Fluid
54%
Disorders of Excessive Somnolence
17%
Fatigue
10%
Holidays
16%
Interpersonal Relations
13%
Mood Disorders
12%
Multivariate Analysis
8%
Narcolepsy
16%
Neuropeptides
12%
Neurotransmitter Agents
11%
Orexins
82%
Radioimmunoassay
11%
Regression Analysis
8%
Seasonal Affective Disorder
19%
Sleep
39%
Sleep Wake Disorders
13%
Snow
18%
Wakefulness
14%
Engineering & Materials Science
Biometrics
12%
Cerebrospinal fluid
90%
Fatigue of materials
8%
Modulation
9%
Neuropeptides
24%
Regression analysis
12%
Sleep
66%
Snow
15%