CIRCADIAN RHYTHMS OF PERFORMANCE: NEW TRENDS

Sleep and wakefulness

1963 • 1,091 citations

The Breakdown of Vigilance during Prolonged Visual Search

1948 • 954 citations

Short-term Memory for Word Sequences as a Function of Acoustic, Semantic and Formal Similarity

1966 • 912 citations

The Circadian System of Man

1979 • 593 citations

Circadian and sleep/wake dependent aspects of subjective alertness and cognitive performance

1992 • 580 citations

The circadian system of man—Results of experiments under temporal isolation

1980 • 521 citations

Circadian Variation in Sports Performance

1996 • 509 citations

Biological rhythms and human performance

1971 • 486 citations

Ultrashort sleep-waking schedule. III. ‘Gates’ and ‘Forbidden zones’ for sleep

1986 • 462 citations

Circadian temperature and melatonin rhythms, sleep, and neurobehavioral function in humans living on a 20-h day

1999 • 461 citations

The Influence of Acoustic and Semantic Similarity on Long-term Memory for Word Sequences

1966 • 442 citations

Synchrony effects in inhibitory control over thought and action.

1998 • 308 citations

Time of day effects on performance in a range of tasks

1967 • 298 citations

Circadian rhythms in human performance and mood under constant conditions

1997 • 293 citations

Sleep, sleepiness and performance.

1993 • 277 citations

Hours of work: Temporal factors in work-scheduling

1986 • 269 citations

Circadian Variation of Sleep Tendency in Elderly and Young Adult Subjects

1982 • 258 citations

Synchrony effects in inhibitory control over thought and action.

1998 • 237 citations

Short‐term memory, alertness and performance: a reappraisal of their relationship to body temperature

1992 • 236 citations

Interactive Mathematical Models of Subjective Alertness and Cognitive Throughput in Humans

1999 • 210 citations

Sleep, sleepiness and performance

1992 • 209 citations

Hours of work: Temporal factors in work-scheduling

1987 • 190 citations

DIURNAL VARIATION IN LOGICAL REASONING

1975 • 186 citations

The Three-Process Model of Alertness and Its Extension to Performance, Sleep Latency, and Sleep Length

1997 • 175 citations

Circadian performance differences between morning and evening ‘types’

1980 • 173 citations

Simulation of daytime vigilance by the additive interaction of a homeostatic and a circadian process

1994 • 172 citations

Biorhythmic variations in consciousness and psychological functions.

1975 • 164 citations

The Effect of Memory Load on the Circadian Variation in Performance Efficiency Under a Rapidly Rotating Shift System*

1976 • 157 citations

Circadian performance rhythms: some practical and theoretical implications

1990 • 143 citations

Sleep and alertness : chronobiological, behavioral, and medical aspects of napping

1989 • 133 citations

Body Temperature and Performance under Different Routines

1950 • 121 citations

Diurnal Rhythm of the Muscular Performance of Elbow Flexors During Isometric Contractions

1996 • 119 citations

Sleep and Alertness: Chronobiological, Behavioral, and Medical Aspects of Napping

1990 • 113 citations

Time of day and level of processing

1979 • 108 citations

12 and 24 h Rhythms in error frequency of locomotive drivers and the influence of tiredness.

1974 • 107 citations

Multiple Sleep Latency Tests During the Constant Routine

1992 • 100 citations

The Topology of Performance Curves during 72 Hours of Sleep Loss: A Memory and Search Task

1988 • 80 citations

Duration and Placement of Sleep in a “Disentrained” Environment

1984 • 79 citations

Diurnal Variation in Tennis Service

1998 • 78 citations

Twenty-Four-Hour Structure of Sleepiness in Morning and Evening Persons Investigated by Ultrashort Sleep-Wake Cycle

1989 • 74 citations

Beyond the Three-Process Model of Alertness: Estimating Phase, Time on Shift, and Successive Night Effects

1999 • 74 citations

Task variables determine which biological clock controls circadian rhythms in human performance

1983 • 71 citations

Circadian Determinants of the Postlunch Dip in Performance

1996 • 71 citations

Relative performance of college students as conditioned by time of day and day of week.

1925 • 68 citations

Erm�dung und Einschlafen am Steuer

1955 • 65 citations

Speed of Mental Processing in the Middle of the Night

1997 • 56 citations

Interactions Between Inter-Individual and Inter-Task Differences in the Diurnal Variation of Human Performance

1986 • 55 citations

Radiographic abnormalities among Finnish construction, shipyard and asbestos industry workers

1998 • 52 citations

Circadian Determinants of Subjective Alertness

1989 • 51 citations

The effects of lunch on sensory-perceptual functioning in man

1981 • 49 citations

Psychophysiological Investigations of Post Lunch State in Male and Female Subjects

1979 • 47 citations

SCN controlled circadian arousal and the afternoon "nap zone".

1998 • 42 citations

Differences between left- and right-hand reaction time rhythms: indications of shifts in strategies of human brain activity

1997 • 41 citations

Chronobiotechnology and Chronobiological Engineering

1987 • 36 citations

�ber Tagesschwankungen der Rechengeschwindigkeit bei 11j�hrigen Kindern

1957 • 31 citations

The search for cycles in mental performance from Lombarb to Kleitman.

1980 • 28 citations

A Parallelism between Human Body Temperature and Performance Independent of the Endogenous Circadian Pacemaker

1998 • 27 citations

Technical Note: A Problem with Identifying Nonlinear Interactions of Circadian and Homeostatic Processes

1999 • 25 citations

Sleep, arousal, and performance: a tribute to Bob Wilkinson

1992 • 25 citations

Diurnal oscillations in hemispheric performance

1993 • 23 citations

Diurnal trends in mood and performance do not all parallel alertness.

1998 • 21 citations

FLUCTUATIONS IN MENTAL EFFICIENCY

1920 • 10 citations

The Interaction Between the Edge Effect and Target Conspicuity in Visual Search

1981 • 6 citations

The Measurement of Circadian Rhythms in Psychological Functions

1987 • 4 citations