Are humans seasonally photoperiodic?

Effect on truck drivers' alertness of a 30-min. exposure to bright light: A field study

Weather conditions and spinal patients

Cognitive effects of exogenous melatonin administration in elderly persons - A pilot study

Mutant mice: sleep starved and chronologically clueless

Advances in the management of insomnia

Adaptation of human pineal melatonin suppression by recent photic history

Chronobiotic protocol and circadian sleep propensity index: New tools for clinical routine and research on melatonin and sleep

Melatonin as a radioprotective agent: A review

Social influences on mammalian circadian rhythms: animal and human studies

Modafinil treatment in patients with seasonal affective disorder/winter depression: an open-label pilot study

The effect of dawn simulation on the cortisol response to awakening in healthy participants

A single blind, placebo controlled, across groups dose escalation study of the safety, tolerability, phannacokinetics and pharmaeodynamics of the melatonin analog beta-methyl-6-chloromelatonin

Similarities in acute phase protein response during hibernation in black bears and major depression in humans: a response to underlying metabolic depression?

Human pineal physiology and functional significance of melatonin

The 24-h growth hormone rhythm in men: sleep and circadian influences questioned

Chronobiotic activity of N-[2-(2, 7-dimethoxyfluoren-9-yl)ethyllpropanamide. Synthesis and melatonergic pharmacology of fluoren-9-ylethyl amides

Delayed sleep phase syndrome: Pathophysiology and treatment options

Seasonality of birth in seasonal affective disorder

Circadian rhythm entrainment with melatonin, melatonin receptor antagonist S22153 or their combination in mice exposed to constant light

A missense variation in human casein kinase I epsilon gene that induces functional alteration and shows an inverse association with circadian rhythm sleep disorders

Generic and health-related quality of life in patients with seasonal and nonseasonal depression

Melatonin therapy for circadian rhythm sleep disorders in children with multiple disabilities: what have we learned in the last decade?

Melatonin desensitizes endogenous MT2 melatonin receptors in the rat suprachiasmatic nucleus: relevance for defining the periods of sensitivity of the mammalian circadian clock to melatonin

Melatonin, sleep, and circadian rhythms: rationale for development of specific melatonin agonists

The dopamine-4 receptor gene associated with binge eating and weight gain in women with seasonal affective disorder: An evolutionary perspective

Effects of ramelteon (TAK-375) on nocturnal sleep in freely moving monkeys

Sleep responses to light and dark are shaped by early experience

The "sweet spot" for the plasma dim light melatonin onset for winter depressives treated with low-dose daytime melantonin: Support for the phase shift hypothesis (PSH)

Shift work sleep disorder: Prevalence and consequences beyond that of symptomatic day workers

Efficiency of the cross-over design: an empirical estimation

Circadian genes and bipolar disorder

Further assessments of the relationship between jet lag and some of its symptoms

Illuminating the impact of habitual behaviors in depression

Measuring phase shifts in humans following a simulated time-zone transition: Agreement between constant routine and purification methods

Morning melatonin has limited benefit as a soporific for daytime sleep after night work

Melatonin entrains free-running blind people according to a physiological dose-response curve

Genetic approaches to human behavior

Toward a clinical understanding of bipolar disorders: Classification and presentation

Metabolic depression in hibernation and major depression: An explanatory theory and an animal model of depression

Relative coordination to unknown weak Zeitgebers influences lowest entraining dose of exogenous melatonin

Postoperative elevated cortisol excretion is not associated with suppression of 6-sulfatoxymelatonin excretion

Actigraphy in the critically ill: Correlation with activity, agitation, and sedation

The effects of seasonal changes on temporomandibular disorders

Light treatment and circadian adaptation to shift work

Melatonin excretion in normal children and in tuberous sclerosis complex with sleep disorder responsive to melatonin

The effects of nefazodone on women with seasonal affective disorder: clinical and polysomnographic analyses

Melatonin-induced neuropeptide release from isolated locust corpora cardiaca

Advancing circadian rhythms before eastward flight: A strategy to prevent or reduce jet lag