temps (durée) (1) test (1) espèce (1) sommeil (1) mutation (1) modèle (1) lumière (1) effet (1) taux (1) Observations (1) Observations (1) Waves (1) Wakefulness (1) Time (1) Theater (1) Species (1) Sleep (1) Organ (Musical instrument) (1) Motion (1) Mice (1) Human beings (1) Light (1) Infants (1) Hypothesis (1) Example (1) Electromyography (1) Electroencephalography (1) Electrodes (1) Drama (1) Animals (1)