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