Keyphrases
Sleep Latency
100%
High School children
100%
Junior High School
100%
Self-reported Sleep
100%
Epidemiological Aspects
100%
Prolonged Sleep
38%
Sleep-wake Rhythm
23%
Long Sleep
15%
TV Viewing
15%
Video Games
15%
Body Mass Index
7%
Disturbed Sleep
7%
High Risk
7%
Sleep Period
7%
Night Awakening
7%
Japanese children
7%
REM Sleep
7%
Bedtime
7%
Ultrashort
7%
Sleep Time
7%
Short Sleep
7%
Poor Sleep
7%
Sleep Quality
7%
U-shaped Relationship
7%
Daytime Sleepiness
7%
Negative Influence
7%
Excessive Daytime Sleepiness
7%
Sleep Depth
7%
Sleep Hygiene
7%
Health Practitioners
7%
Sleep Insufficiency
7%
Media Use
7%
Falling Asleep
7%
Game Practice
7%
Ultra-long
7%
Index Revision
7%
Biochemistry, Genetics and Molecular Biology
Body Mass
100%
Sleep Time
100%
Sleep Quality
100%
K-Complex
100%
Sleep Hygiene
100%
Daytime Somnolence
100%
Psychology
Body Mass Index
100%
Practitioners
100%
Sleep Hygiene
100%
Insufficient Sleep
100%
Sleep Insufficiency
100%
Neuroscience
Body Mass Index
100%
Sleep Time
100%
Sleep Quality
100%
Daytime Somnolence
100%
Medicine and Dentistry
Sleep Onset Latency
100%
Body Mass Index
7%
Sleep Time
7%
Sleep Hygiene
7%
Sleep Quality
7%
K-Complex
7%
Daytime Somnolence
7%
Healthcare Practitioner
7%
Agricultural and Biological Sciences
Sleep Onset Latency
100%
Body Mass Index
7%