Related by context. Frequent words. (Click for all words.) 61 Physiologically 59 arousals 58 circadian clocks 55 female reproductive tract 55 brain lesions 54 overactivity 54 neuronal activity 54 jerky movements 54 prodrome 53 hormone melatonin 53 restorative sleep 53 pineal gland 53 physiologically 53 somatosensory 53 diurnal 52 circadian rhythms 52 wakeful 52 researchers hypothesize 52 wakefulness 52 paresthesia 52 reproductive hormones 52 kisspeptin 52 circadian 51 vasodilation 51 circadian rhythm 51 excitability 51 neonate 51 homeostatic 51 histone modifications 51 neurochemicals 51 neuroendocrine 51 forebrain 51 Ghrelin 51 magnetic stimulation 51 hormonal fluctuations 51 metabolically active 51 mutant flies 50 neural circuitry 50 IGFBP 3 50 distension 50 vocalisations 50 digestive organs 50 sensory nerves 50 taste receptors 50 REM sleep 50 parasympathetic 50 external stimuli 50 metabolic processes 50 immunologically 50 physiologic 50 AMPA receptors 49 biorhythms 49 carbohydrate metabolism 49 ganglia 49 uterine contractions 49 neovascularization 49 metabolism 49 embryogenesis 49 ciliary 49 sensory stimuli 49 synchrony 49 neurochemistry 49 oscillatory 49 basal metabolic rate 49 Wnt signaling 49 EEGs 49 endorphin rush 49 hypothyroid 49 glucose tolerance 49 dietary restriction 49 serotonin transporter 49 dyskinesias 49 autonomic nervous system 49 sensorimotor 48 myocytes 48 transiently 48 palpitation 48 Aerobic exercise 48 cortisol levels 48 Clinically 48 habituation 48 diagnostically 48 fatty acid metabolism 48 synaptic transmission 48 electrical conduction 48 midbrain 48 adrenals 48 underactive 48 muscle contractions 48 morphologically 48 conformational 48 L dopa 48 Numbness 48 myelination 48 perturbation 48 metabolic 48 auditory cortex 48 sensory organs 48 postop 48 thyroid hormones 48 thyroid hormone